Diagnostic Trouble Code (DTC) List - Vehicle. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 Diagnostic Trouble Code (DTC) List - Vehicle

This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.

DTC	DTC Descriptor	Module That Sets the DTC	Diagnostic Procedure
If any DTCs are present, diagnose any current DTCs in the following order: DTCs that begin with a U Any of the following: B1000, B1001, B1004, B1007, B1009, B1530, B3856, C0240, C0374, C0550, P0601, P0602, P0603, P0604, P0606, P0607, P060D, P060E, P062F, P1621, P2101 or P2610 Any of the following: B1372, P0562 or P0563 Component level DTCs System level DTCs Any remaining DTCs
B0004	Vehicle Speed Information Circuit Open	Navigation Radio	DTC B0004
B0012	Passenger Frontal Deployment Loop Stage 2 Resistance Low	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018
B0013	Passenger Frontal Deployment Loop Stage 2 Open	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018
B0014	Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018
B0016	Passenger Frontal Deployment Loop Stage 1 Resistance Low	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018
B0017	Passenger Frontal Deployment Loop Stage 1 Open	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018
B0018	Passenger Frontal Deployment Loop Stage 1 Voltage Out of Range	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018
B0022	Driver Frontal Deployment Loop Stage 1 Resistance Low	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044
B0024	Driver Frontal Deployment Loop Stage 1 Voltage Out of Range	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044
B0026	Driver Frontal Deployment Loop Stage 1 Open	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044
B0042	Driver Frontal Deployment Loop Stage 2 Resistance Low	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044
B0043	Driver Frontal Deployment Loop Stage 2 Voltage Out of Range	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044
B0044	Driver Frontal Deployment Loop Stage 2 Open	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044
B0051	Deployment Commanded	SDM	DTC B0051
B0053	Deployment Commanded With Loop DTCs Present	SDM	DTC B0053
B0057	Passenger Pretensioner Deployment Loop Resistance Low	SDM	DTC B0057, B0058, or B0059
B0058	Passenger Pretensioner Deployment Loop Open	SDM	DTC B0057, B0058, or B0059
B0059	Passenger Pretensioner Deployment Loop Voltage Out of Range	SDM	DTC B0057, B0058, or B0059
B0061	Driver Roof Rail Deployment Loop Resistance Low	SDM	DTC B0061, B0062, or B0068
B0062	Driver Roof Rail Deployment Loop Resistance Low	SDM	DTC B0061, B0062, or B0068
B0064	Driver Pretensioner Deployment Loop Resistance Low	SDM	DTC B0064, B0065, or B0066
B0065	Driver Pretensioner Deployment Loop Open	SDM	DTC B0064, B0065, or B0066
B0066	Driver Pretensioner Deployment Loop Voltage Out of Range	SDM	DTC B0064, B0065, or B0066
B0068	Driver Pretensioner Deployment Loop Voltage Out of Range	SDM	DTC B0061, B0062, or B0068
B0069	Passenger Roof Rail Deployment Loop Resistance Low	SDM	DTC B0069, B0070, or B0071
B0070	Passenger Roof Rail Deployment Loop Open	SDM	DTC B0069, B0070, or B0071
B0071	Passenger Roof Rail Deployment Loop Voltage Out of Range	SDM	DTC B0069, B0070, or B0071
B0077	Driver Side Impact Sensor (SIS) Performance	SDM	DTC B0077, B0078, B0079, B0080, B0081, or B0082
B0078	Passenger Side Impact Sensor (SIS) Performance	SDM	DTC B0077, B0078, B0079, B0080, B0081, or B0082
B0079	Incorrect Driver Side Impact Sensor (SIS) Installed	SDM	DTC B0077, B0078, B0079, B0080, B0081, or B0082
B0080	Discard Driver Side Impact Sensor (SIS)	SDM	DTC B0077, B0078, B0079, B0080, B0081, or B0082
B0081	Incorrect Passenger Side Impact Sensor (SIS) Installed	SDM	DTC B0077, B0078, B0079, B0080, B0081, or B0082
B0082	Discard Passenger Side Impact Sensor (SIS)	SDM	DTC B0077, B0078, B0079, B0080, B0081, or B0082
B0083	Passenger Seat Position Sensor Circuit	SDM	DTC B0083 or B0084
B0084	Driver Seat Position Sensor Circuit	SDM	DTC B0083 or B0084
B0092	Passenger Presence System Performance	SDM	DTC B0092
B0098	Passenger Presence System Configuration Error	SDM	DTC B0098
B0100	Electronic Front End Sensor 1 Performance	SDM	DTC B0100, B0101, B0102, B0103, B0104, or B0105
B0101	Discard Electronic Front End Sensor 1	SDM	DTC B0100, B0101, B0102, B0103, B0104, or B0105
B0102	Incorrect Electronic Front End Sensor 1 Installed	SDM	DTC B0100, B0101, B0102, B0103, B0104, or B0105
B0103	Electronic Front End Sensor 2 Performance	SDM	DTC B0100, B0101, B0102, B0103, B0104, or B0105
B0104	Discard Electronic Front End Sensor 2	SDM	DTC B0100, B0101, B0102, B0103, B0104, or B0105
B0105	Incorrect Electronic Front End Sensor 2 Installed	SDM	DTC B0100, B0101, B0102, B0103, B0104, or B0105
B0159	Outside Air Temperature Sensor Circuit Range/Performance	HVAC Control Module	DTC B0159 or B0164
B0164	Passenger Compartment Temperature Sensor Circuit Range/Performance	HVAC Control Module	DTC B0159 or B0164
B0174	Output Air Temperature Sensor 1 Circuit Range/Performance	HVAC Control Module	DTC B0174, B0179, B0510, or B0515
B0179	Output Air Temperature Sensor 2 Circuit Range/Performance	HVAC Control Module	DTC B0174, B0179, B0510, or B0515
B0183	Solar Load Sensor Circuit	BCM	DTC B0183 or B0188
B0188	Solar Load Sensor 2 Circuit	BCM	DTC B0183 or B0188
B0229	Recirculate Position Feedback Circuit Range/Performance	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770
B0248	Air Flow Control 3 Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B0263	Air Flow Control 6 Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B0268	Air Flow Control 7 Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770
B0283	Electric Rear Defrost Circuit	PLGM	DTC B0283
B0408	Temperature Control 1 Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B0414	Temperature Control 1 Feedback Circuit Range/Performance	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B0418	Temperature Control 2 Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B0424	Temperature Control 2 Feedback Circuit Range/Performance	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B0510	Output Air Temperature Sensor 3 Circuit Range/Performance	HVAC Control Module	DTC B0174, B0179, B0510, or B0515
B0515	Output Air Temperature Sensor 4 Circuit Range/Performance	HVAC Control Module	DTC B0174, B0179, B0510, or B0515
B0540	Speedometer Circuit	IPC	DTC B0540
B0560	Tachometer Circuit	IPC	DTC B0560
B0770	All Wheel Drive (AWD) Indicator Circuit Malfunction	ATC	DTC B0770
B0775	Four Wheel Drive High Range (4HI) Indicator Circuit Malfunction	ATC	DTC B0775
B0780	Four Wheel Drive Low Range (4LO) Indicator Circuit Malfunction	ATC	DTC B0780
B0785	Two Wheel Drive High Range (2HI) Indicator Circuit Malfunction	ATC	DTC B0785
B0790	Transfer Case Neutral Indicator Circuit Malfunction	ATC	DTC B0790
B0951	Headlamps On Indicator Circuit	BCM	DTC B0951
B1000	Electronic Control Unit (ECU) Performance	Audio Amplifier, BCM, DDM, DSM, DVD Player, EGM, FPDM, HVAC Control Module, HVAC Control Module - Auxiliary, PLGM, IPC, PRM, Radio, SDM, VCIM, VTD	DTC B1000
B1001	Option Configuration Error	SDM	DTC B1001
B1004	Keep Alive Memory (KAM) Reset	OnStar® VCIM	DTC B1004
B1007	EEPROM Write Error	OnStar® VCIM, VTD	DTC B1007
B1009	EEPROM Checksum Mismatch	OnStar® VCIM, VTD	DTC B1009
B1017	Output Driver Module Performance	PDM	DTC B1017
B1017	Output Driver Module Performance	PLGM	DTC B1017 or B3970
B1023	Integral Switch Performance	DDM, PDM	DTC B1023
B1025	Audio Output 1 Circuit	Radio	DTC B1025, B1035, B1045, or B1055
B1035	Audio Output 2 Circuit	Radio	DTC B1025, B1035, B1045, or B1055
B1045	Audio Output 3 Circuit	Radio	DTC B1025, B1035, B1045, or B1055
B1055	Audio Output 4 Circuit	Radio	DTC B1025, B1035, B1045, or B1055
B1259	Antenna Ground Circuit	DRR	DTC B1259
B1271	Theft Locked	Navigation Radio	DTC B1271
B1372	Device Ignition 1 Circuit Low	IPC	DTC B1372
B1390	Device Voltage Reference Input 1 Circuit	GBCM	DTC B1390
B1397	Device Voltage Reference Output Circuit Low	BCM	DTC B1397 or B2815
B1440	Power Mode Master Input Circuits Mismatch	BCM	DTC B1440
B1477	Retained Accessory Power Circuit Low	BCM	DTC B1477
B1480	Battery Rundown Protection Circuit	BCM	DTC B1480
B1487	Generator L-Terminal Circuit Low	GBCM	DTC B1487
B1488	Generator L-Terminal Circuit High	GBCM	DTC B1488
B1492	Generator F-Terminal Circuit Low	GBCM	DTC B1492
B1516	Battery Current Sensor Performance	GBCM	DTC B1516
B151B	Current Sensor Polarity Error - GBCM	GBCM	DTC B151B
B1530	Discard Passenger Presence System 1	SDM	DTC B1530
B1550	Mirror Left Front or Right Front Select Switch Circuit	DDM, PDM	DTC B1550
B1566	Current Sensor Polarity Check	GBCM	DTC B1566
B1720	Mirror Up and Down Control Switch Circuit	DDM, PDM	DTC B1720
B1721	Mirror Left and Right Control Switch Circuit	DDM, PDM	DTC B1721
B1723	Mirror Motor Control Circuit 1 Performance	DDM, PDM	DTC B1723
B1724	Mirror Motor Control Circuit 2 Performance	DDM, PDM	DTC B1724
B1735	Driver Seat Front Up Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1740	Driver Seat Front Down Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1745	Driver Seat Rear Up Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1750	Driver Seat Rear Down Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1755	Driver Seat Assembly Forward Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1760	Driver Seat Assembly Rearward Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1815	Driver Seat Recline Forward Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1820	Driver Seat Recline Rearward Switch Circuit	DSM	DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
B1825	Driver Seat Recline Position Sensor Circuit	DSM	DTC B1825, B1850, B1860, B2355, B2365, or B2375
B1830	Driver Seat Lumbar Forward Switch Circuit	DSM	DTC B1830, B1835, B1840, or B1845
B1835	Driver Seat Lumbar Rearward Switch Circuit	DSM	DTC B1830, B1835, B1840, or B1845
B1850	Driver Seat Lumbar Horizontal Position Sensor Circuit	DSM	DTC B1825, B1850, B1860, B2355, B2365, or B2375
B2355	Driver Seat Front Vertical Position Sensor Circuit	DSM	DTC B1825, B1850, B1860, B2355, B2365, or B2375
B2365	Driver Seat Rear Vertical Position Sensor Circuit	DSM	DTC B1825, B1850, B1860, B2355, B2365, or B2375
B2375	Driver Seat Assembly Horizontal Position Sensor Circuit	DSM	DTC B1825, B1850, B1860, B2355, B2365, or B2375
B2425	Driver Seat Heater Circuit	DSM	DTC B2425 or B2430
B2430	Passenger Seat Heater Circuit	DSM	DTC B2425 or B2430
B2435	Driver Seat Back Heater Sensor Circuit	DSM	DTC B2435 or B2440
B2440	Passenger Seat Back Heater Sensor Circuit	DSM	DTC B2435 or B2440
B2455	Cellular Phone Microphone Circuit	OnStar® VCIM	DTC B2455
B2462	Global Positioning System (GPS) Signal Error	Navigation Radio	DTC B2462
B2470	Cellular Phone Antenna Circuit	OnStar® VCIM	DTC B2470
B2476	Cellular Phone Select Service Switch Malfunction	OnStar® VCIM	DTC B2476 or B2482
B2482	Cellular Phone Select Switch Range/Performance	OnStar® VCIM	DTC B2476 or B2482
B2483	Global Positioning System (GPS) Sensor Circuit Low	OnStar® VCIM	DTC B2483 or B2484
B2484	Global Positioning System (GPS) Sensor Circuit Open	OnStar® VCIM	DTC B2483 or B2484
B2527	Front Foglamps Circuit Low	BCM	DTC B2527
B2530	Front Foglamps Control Circuit	BCM	DTC B2530
B2540	Rear Foglamps Control Circuit	BCM	DTC B2540
B2550	Backup Lamps Control Circuit	BCM	DTC B2550
B2575	Headlamp Control Circuit	BCM	DTC B2575
B2580	Headlamp High Beam Control Circuit	BCM	DTC B2580
B2585	Park Lamp Control Circuit	BCM	DTC B2585
B2610	Passenger Compartment Dimming 1 Circuit	BCM	DTC B2610
B2615	Passenger Compartment Dimming 2 Circuit	BCM	DTC B2615
B2620	Display Dimming Pulse Width Modulation (PWM) Input Circuit	BCM	DTC B2620
B2625	Display Dimming Pulse Width Modulation (PWM) Output Circuit	BCM	DTC B2625
B2645	Ambient Light Sensor Circuit	BCM	DTC B2645
B2697	Headlamp Washer Request Circuit	BCM	DTC B2697
B2725	Active Transfer Case (ATC) Mode Switch Circuit Malfunction	ATC	DTC B2725
B2815	Steering Wheel Controls Illegal Resistance Value	BCM	DTC B1397 or B2815
B2945	Security System Sensor Power Circuit	BCM	DTC B2945, B2955, B2960, or B3033
B2955	Security System Sensor Data Circuit	BCM	DTC B2945, B2955, B2960, or B3033
B2960	Security System Sensor Data Incorrect but Valid	BCM	DTC B2945, B2955, B2960, or B3033
B2961	Key In Ignition Circuit	IPC	DTC B2961
B3033	Security System Indicates Tamper	BCM	DTC B2945, B2955, B2960, or B3033
B3055	No Transponder Modulation or No Transponder	VTD	DTC B3055
B3060	Unprogrammed Transponder Identification Code Received	VTD	DTC B3060
B3606	Adjustable Foot Pedal Position Sensor Circuit	Driver Seat Module	DTC B3606
B3607	Adjustable Foot Pedal Motor Circuit	Driver Seat Module	DTC B3607
B3761	Air Flow Control 3 Feedback Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B3770	Air Flow Control 6 Feedback Circuit	HVAC Control Module	DTC B0229, B0248, B0263, B0268, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ2 or DTC B0248, B0263, B0408, B0414, B0418, B0424, B3761, or B3770 with CJ3
B3801	Passenger Compartment Lamp Request Circuit	BCM	DTC B3801
B3802	Parklamp Request Circuit	BCM	DTC B3802
B3808	Rear Door Lock Relay Circuit	BCM	DTC B3808
B3809	Rear Door Unlock Relay Circuit	BCM	DTC B3809
B3810	Headlamp Washer Relay Circuit	BCM	DTC B3810 or B3811
B3811	Rear Washer Relay Circuit	BCM	DTC B3810 or B3811
B3819	Left Rear Window Up Control Circuit	BCM	DTC B3819, B3820, B3822, or B3823
B3820	Left Rear Window Down Control Circuit	BCM	DTC B3819, B3820, B3822, or B3823
B3821	Left Rear Window Relay Power Circuit	BCM	DTC B3821 or B3824
B3822	Right Rear Window Up Control Circuit	BCM	DTC B3819, B3820, B3822, or B3823
B3823	Right Rear Window Down Control Circuit	BCM	DTC B3819, B3820, B3822, or B3823
B3824	Right Rear Window Relay Power Circuit	BCM	DTC B3821 or B3824
B3855	Rollover Sensor Performance	SDM	DTC B3855, B3856, or B3857
B3856	Discard Rollover Sensor	SDM	DTC B3855, B3856, or B3857
B3857	Incorrect Rollover Sensor Installed	SDM	DTC B3855, B3856, or B3857
B3935	Transponder Authentication Error	VTD	DTC B3935
B3970	Rear Wiper Motor Circuit	PLGM	DTC B1017 or B3970
B3976	Unconfigured Transponder	TDM	DTC B3976
C0035	Left Front Wheel Speed Sensor Circuit	EBCM	DTC C0035 or C0040
C0040	Right Front Wheel Speed Sensor Circuit	EBCM	DTC C0035 or C0040
C0045	Left Rear Wheel Speed Sensor Circuit	EBCM	DTC C0045 or C0050
C0050	Right Rear Wheel Speed Sensor Circuit	EBCM	DTC C0045 or C0050
C0110	Pump Motor Circuit	EBCM	DTC C0110
C0131	Antilock Brake System (ABS)/Traction Control System (TCS) Pressure Circuit	EBCM	DTC C0131
C0161	Antilock Brake System (ABS)/Traction Control System (TCS) Brake Switch	EBCM	DTC C0161
C0186	Lateral Accelerometer Circuit	EBCM	DTC C0186
C0196	Yaw Rate Circuit	EBCM	DTC C0196
C0201	Antilock Brake System (ABS) Enable Relay Contact Circuit	EBCM	DTC C0201
C0240	EBCM Malfunction	EBCM	DTC C0240
C0241	Powertrain Control Module (PCM) Indicated Requested Torque Malfunction	EBCM	DTC C0241 or P0856
C0244	Pulse Width Modulated (PWM) Delivered Torque	EBCM	DTC C0244 or P1689
C0245	Wheel Speed Sensor Frequency Error	EBCM	DTC C0245
C0267	Pump Motor Circuit Open	EBCM	DTC C0267
C0283	Mode Switch Circuit Malfunction	EBCM	DTC C0283
C0287	Longitudinal Accelerometer Circuit Malfunction	EBCM	DTC C0287
C0290	Class 2 Data Link Malfunction	EBCM	DTC C0290 or C0292
C0292	Lost Communications with Engine Control System	EBCM	DTC C0290 or C0292
C0300	Rear Propshaft Speed Sensor Malfunction	ATC	DTC C0300 for the NVG 226-NP8 transfer case
C0305	Front Propshaft Speed Sensor Malfunction	ATC	DTC C0305 for the NVG 226-NP8 transfer case
C0306	Motor A or B Circuit Malfunction	ATC	DTC C0306 for the NVG 226-NP8 transfer case
C0321	Transfer Case Lock Circuit Malfunction	ATC	DTC C0321
C0327	Encoder Circuit Malfunction	ATC	DTC C0327 for the NVG 226-NP8 transfer case
C0359	Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction	ATC	DTC C0359
C0374	General System Malfunction	ATC	DTC C0374 for the NVG 226-NP8 transfer case
C0379	Front Axle System Malfunction	ATC	DTC C0379
C0455	Front Steering Position Sensor Circuit	EBCM	DTC C0455
C0550	Electronic Control Unit (ECU) Performance	EBCM	DTC C0550
C0550	ECU Malfunction	ATC	DTC C0550 for the NVG 226-NP8 transfer case
C0558	Calibration Data Not Programmed	EBCM	DTC C0558
C0750	Left Front Low Tire Pressure Sensor	PLGM	DTC C0750, C0755, C0760, or C0765
C0755	Right Front Low Tire Pressure Sensor	PLGM	DTC C0750, C0755, C0760, or C0765
C0760	Left Rear Low Tire Pressure Sensor	PLGM	DTC C0750, C0755, C0760, or C0765
C0765	Right Rear Low Tire Pressure Sensor	PLGM	DTC C0750, C0755, C0760, or C0765
C0775	Low Tire Pressure System Sensors Not Programmed/Learned	PLGM	DTC C0775
P0013	Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit	ECM	DTC P0013
P0014	Exhaust Camshaft Position (CMP) System Performance	ECM	DTC P0014
P0016	Crankshaft Position (CKP) - Camshaft Position (CMP) Correlation	ECM	DTC P0016 for the 5.3L or 6.0L engine
P0017	Crankshaft Position (CKP) Exhaust - Camshaft Position (CMP) Correlation	ECM	DTC P0017
P0030	HO2S Heater Control Circuit Sensor 1	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 4.2L engine
P0030	HO2S Heater Control Circuit Bank 1 Sensor 1	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 5.3L or 6.0L engine
P0036	HO2S Heater Control Circuit Sensor 2	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 4.2L engine
P0036	HO2S Heater Control Circuit Bank 1 Sensor 2	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 5.3L or 6.0L engine
P0050	HO2S Heater Control Circuit Bank 2 Sensor 1	ECM	DTC P0050, P0056, P0059, P0060, P0155, or P0161
P0053	HO2S Heater Resistance Sensor 1	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 4.2L engine
P0053	HO2S Heater Resistance Circuit Bank 1 Sensor 1	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 5.3L or 6.0L engine
P0054	HO2S Heater Resistance Sensor 2	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 4.2L engine
P0054	HO2S Heater Resistance Circuit Bank 1 Sensor 2	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 5.3L or 6.0L engine
P0056	HO2S Heater Control Circuit Bank 2 Sensor 2	ECM	DTC P0050, P0056, P0059, P0060, P0155, or P0161
P0059	HO2S Heater Resistance Bank 2 Sensor 1	ECM	DTC P0050, P0056, P0059, P0060, P0155, or P0161
P0060	HO2S Heater Resistance Bank 2 Sensor 2	ECM	DTC P0050, P0056, P0059, P0060, P0155, or P0161
P0068	Throttle Body Airflow Performance	ECM	DTC P0068 or P0121 for the 4.2L engine or DTC P0068 or P0121 for the 5.3L or 6.0L engine
P0101	Mass Air Flow (MAF) Sensor Performance	ECM	DTC P0101 or P1101 for the 4.2L engine or DTC P0101 or P1101 for the 5.3L or 6.0L engine
P0102	Mass Air Flow (MAF) Sensor Circuit Low Frequency	ECM	DTC P0102 or P0103 for the 4.2L engine or DTC P0102 or P0103 for the 5.3L or 6.0L engine
P0103	Mass Air Flow (MAF) Sensor Circuit High Frequency	ECM	DTC P0102 or P0103 for the 4.2L engine or DTC P0102 or P0103 for the 5.3L or 6.0L engine
P0106	Manifold Absolute Pressure (MAP) Sensor Performance	ECM	DTC P0106 for the 4.2L engine or DTC P0106 for the 5.3L or 6.0L engine
P0107	Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage	ECM	DTC P0107 or P0108 for the 4.2L engine or DTC P0107 or P0108 for the 5.3L or 6.0L engine
P0108	Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage	ECM	DTC P0107 or P0108 for the 4.2L engine or DTC P0107 or P0108 for the 5.3L or 6.0L engine
P0112	Intake Air Temperature (IAT) Sensor Circuit Low Voltage	ECM	DTC P0112 or P0113 for the 4.2L engine or DTC P0112 or P0113 for the 5.3L or 6.0L engine
P0113	Intake Air Temperature (IAT) Sensor Circuit High Voltage	ECM	DTC P0112 or P0113 for the 4.2L engine or DTC P0112 or P0113 for the 5.3L or 6.0L engine
P0116	Engine Coolant Temperature (ECT) Sensor Performance	ECM	DTC P0116 for the 4.2L engine or DTC P0116 for the 5.3L or 6.0L engine
P0117	Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage	ECM	DTC P0117 or P0118 for the 4.2L engine or DTC P0117 or P0118 for the 5.3L or 6.0L engine
P0118	Engine Coolant Temperature (ECT) Sensor Circuit High Voltage	ECM	DTC P0117 or P0118 for the 4.2L engine or DTC P0117 or P0118 for the 5.3L or 6.0L engine
P0120	Throttle Position (TP) Sensor 1 Circuit	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P0121	Throttle Position (TP) Sensor 1 Performance	ECM	DTC P0068 or P0121 for the 4.2L engine or DTC P0068 or P0121 for the 5.3L or 6.0L engine
P0122	Throttle Position (TP) Sensor 1 Circuit Low Voltage	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P0123	Throttle Position (TP) Sensor 1 Circuit High Voltage	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P0128	Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature	ECM	DTC P0128 for the 4.2L engine or DTC P0128 for the 5.3L or 6.0L engine
P0131	HO2S Circuit Low Voltage Sensor 1	ECM	DTC P0131, P0132, P0137, or P0138 for the 4.2L engine
P0131	HO2S Circuit Low Voltage Bank 1 Sensor 1	ECM	DTC P0131, P0132, P0137, or P0138 for the 5.3L or 6.0L engine
P0132	HO2S Circuit High Voltage Sensor 1	ECM	DTC P0131, P0132, P0137, or P0138 for the 4.2L engine
P0132	HO2S Circuit High Voltage Bank 1 Sensor 1	ECM	DTC P0131, P0132, P0137, or P0138 for the 5.3L or 6.0L engine
P0133	HO2S Slow Response Sensor 1	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00 for the 4.2L engine
P0133	HO2S Slow Response Bank 1 Sensor 1	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 for the 5.3L or 6.0L engine
P0134	HO2S Circuit Insufficient Activity Sensor 1	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00 for the 4.2L engine
P0134	HO2S Circuit Insufficient Activity Bank 1 Sensor 1	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 for the 5.3L or 6.0L engine
P0135	HO2S Heater Performance Sensor 1	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 4.2L engine
P0135	HO2S Heater Performance Bank 1 Sensor 1	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 5.3L or 6.0L engine
P0137	HO2S Circuit Low Voltage Sensor 2	ECM	DTC P0131, P0132, P0137, or P0138 for the 4.2L engine
P0137	HO2S Circuit Low Voltage Bank 1 Sensor 2	ECM	DTC P0131, P0132, P0137, or P0138 for the 5.3L or 6.0L engine
P0138	HO2S Circuit High Voltage Sensor 2	ECM	DTC P0131, P0132, P0137, or P0138 for the 4.2L engine
P0138	HO2S Circuit High Voltage Bank 1 Sensor 2	ECM	DTC P0131, P0132, P0137, or P0138 for the 5.3L or 6.0L engine
P013A	HO2S Slow Response Rich to Lean Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00
P013B	HO2S Slow Response Lean to Rich Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00
P013E	HO2S Delayed Response Rich to Lean Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00
P013F	HO2S Delayed Response Lean to Rich Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00
P0140	HO2S Circuit Insufficient Activity Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00 for the 4.2L engine
P0140	HO2S Circuit Insufficient Activity Bank 1 Sensor 2	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 for the 5.3L or 6.0L engine
P0141	HO2S Heater Performance Sensor 2	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 4.2L engine
P0141	HO2S Heater Performance Sensor 2	ECM	DTC P0030, P0036, P0053, P0054, P0135, or P0141 for the 5.3L or 6.0L engine
P0151	HO2S Circuit Low Voltage Bank 2 Sensor 1	ECM	DTC P0151, P0152, P0157, or P0158
P0152	HO2S Circuit High Voltage Bank 2 Sensor 1	ECM	DTC P0151, P0152, P0157, or P0158
P0153	HO2S Slow Response Bank 2 Sensor 1	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P0154	HO2S Circuit Insufficient Activity Bank 2 Sensor 1	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P0155	HO2S Heater Performance Bank 2 Sensor 1	ECM	DTC P0050, P0056, P0059, P0060, P0155, or P0161
P0157	HO2S Circuit Low Voltage Bank 2 Sensor 2	ECM	DTC P0151, P0152, P0157, or P0158
P0158	HO2S Circuit High Voltage Bank 2 Sensor 2	ECM	DTC P0151, P0152, P0157, or P0158
P0160	HO2S Circuit Insufficient Activity Bank 2 Sensor 2	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P0161	HO2S Heater Performance Bank 2 Sensor 2	ECM	DTC P0050, P0056, P0059, P0060, P0155, or P0161
P0171	Fuel Trim System Lean	ECM	DTC P0171 or P0172 for the 4.2L engine
P0171	Fuel Trim System Lean Bank 1	ECM	DTC P0171, P0172, P0174, or P0175 for the 5.3L or 6.0L engine
P0172	Fuel Trim System Rich	ECM	DTC P0171 or P0172 for the 4.2L engine
P0172	Fuel Trim System Rich Bank 1	ECM	DTC P0171, P0172, P0174, or P0175 for the 5.3L or 6.0L engine
P0174	Fuel Trim System Lean Bank 2	ECM	DTC P0171, P0172, P0174, or P0175
P0175	Fuel Trim System Rich Bank 2	ECM	DTC P0171, P0172, P0174, or P0175
P0201	Injector 1 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L or 6.0L engine
P0202	Injector 2 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L or 6.0L engine
P0203	Injector 3 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L or 6.0L engine
P0204	Injector 4 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L or 6.0L engine
P0205	Injector 5 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L or 6.0L engine
P0206	Injector 6 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L or 6.0L engine
P0207	Injector 7 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208
P0208	Injector 8 Control Circuit	ECM	DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208
P0218	Transmission Fluid Overtemperature	TCM	DTC P0218
P0220	Throttle Position (TP) Sensor 2 Circuit	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P0222	Throttle Position (TP) Sensor 2 Circuit Low Voltage	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P0223	Throttle Position (TP) Sensor 2 Circuit High Voltage	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P0230	Fuel Pump Relay Control Circuit	ECM	DTC P0230 for the 4.2L engine or DTC P0230 for the 5.3L or 6.0L engine
P0300	Engine Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0301	Cylinder 1 Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0302	Cylinder 2 Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0303	Cylinder 3 Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0304	Cylinder 4 Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0305	Cylinder 5 Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0306	Cylinder 6 Misfire Detected	ECM	DTC P0300-P0306 for the 4.2L engine or DTC P0300-P0308 for the 5.3L or 6.0L engine
P0307	Cylinder 7 Misfire Detected	ECM	DTC P0300-P0308
P0308	Cylinder 8 Misfire Detected	ECM	DTC P0300-P0308
P0315	Crankshaft Position (CKP) System Variation Not Learned	ECM	DTC P0315 for the 4.2L engine or DTC P0315 for the 5.3L or 6.0L engine
P0324	Knock Sensor (KS) 1 Module Performance	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0324	Knock Sensor (KS) Module Performance	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0325	Knock Sensor (KS) 1 Circuit	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0325	Knock Sensor (KS) Circuit Bank 1	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0326	Knock Sensor (KS) 1 Performance	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0326	Knock Sensor (KS) Performance	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0327	Knock Sensor (KS) 1 Circuit Low Voltage	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0327	Knock Sensor (KS) Circuit Low Voltage Bank 1	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0328	Knock Sensor (KS) 1 Circuit High Voltage	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0328	Knock Sensor (KS) Circuit High Voltage Bank 1	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0330	Knock Sensor (KS) 2 Circuit	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0330	Knock Sensor (KS) Circuit Bank 2	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0332	Knock Sensor (KS) 2 Circuit Low Voltage	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0332	Knock Sensor (KS) Circuit Low Voltage Bank 2	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0333	Knock Sensor (KS) 2 Circuit High Voltage	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 4.2L engine
P0333	Knock Sensor (KS) Circuit High Voltage Bank 2	ECM	DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 for the 5.3L or 6.0L engine
P0335	Crankshaft Position (CKP) Sensor Circuit	ECM	DTC P0335 or P0336 for the 4.2L engine or DTC P0335 for the 5.3L or 6.0L engine
P0336	Crankshaft Position (CKP) Sensor Performance	ECM	DTC P0335 or P0336 for the 4.2L engine or DTC P0336 for the 5.3L or 6.0L engine
P0340	Camshaft Position (CMP) Sensor Circuit	ECM	DTC P0340
P0341	Camshaft Position (CMP) Sensor Performance	ECM	DTC P0341
P0351	Ignition Coil 1 Control Circuit	ECM	DTC P0351-P0356 for the 4.2L engine or DTC P0351-P0358 for the 5.3L or 6.0L engine
P0352	Ignition Coil 2 Control Circuit	ECM	DTC P0351-P0356 for the 4.2L engine or DTC P0351-P0358 for the 5.3L or 6.0L engine
P0353	Ignition Coil 3 Control Circuit	ECM	DTC P0351-P0356 for the 4.2L engine or DTC P0351-P0358 for the 5.3L or 6.0L engine
P0354	Ignition Coil 4 Control Circuit	ECM	DTC P0351-P0356 for the 4.2L engine or DTC P0351-P0358 for the 5.3L or 6.0L engine
P0355	Ignition Coil 5 Control Circuit	ECM	DTC P0351-P0356 for the 4.2L engine or DTC P0351-P0358 for the 5.3L or 6.0L engine
P0356	Ignition Coil 6 Control Circuit	ECM	DTC P0351-P0356 for the 4.2L engine or DTC P0351-P0358 for the 5.3L or 6.0L engine
P0357	Ignition Coil 7 Control Circuit	ECM	DTC P0351-P0358
P0358	Ignition Coil 8 Control Circuit	ECM	DTC P0351-P0358
P0365	Exhaust Camshaft Position (CMP) Sensor Circuit	ECM	DTC P0365
P0366	Exhaust Camshaft Position (CMP) Sensor Performance	ECM	DTC P0366
P0411	Secondary Air Injection (AIR) System Incorrect Air Flow Detected	ECM	DTC P0411
P0412	Secondary Air Injection (AIR) Solenoid Control Circuit	ECM	DTC P0412 or P0418
P0418	Secondary Air Injection (AIR) Pump Control Circuit	ECM	DTC P0412 or P0418
P0420	Catalyst System Low Efficiency	ECM	DTC P0420 for the 4.2L engine
P0420	Catalyst System Low Efficiency Bank 1	ECM	DTC P0420 or P0430 for the 5.3L or 6.0L engine
P0430	Catalyst System Low Efficiency Bank 2	ECM	DTC P0420 or P0430
P0442	Evaporative Emission (EVAP) System Small Leak Detected	ECM	DTC P0442 for the 4.2L engine or DTC P0442 for the 5.3L or 6.0L engine
P0443	Evaporative Emission (EVAP) Purge Solenoid Control Circuit	ECM	DTC P0443 or P0449 for the 4.2L engine or DTC P0443 or P0449 for the 5.3L or 6.0L engine
P0446	Evaporative Emission (EVAP) Vent System Performance	ECM	DTC P0446 for the 4.2L engine or DTC P0446 for the 5.3L or 6.0L engine
P0449	Evaporative Emission (EVAP) Vent Solenoid Control Circuit	ECM	DTC P0443 or P0449 for the 4.2L engine or DTC P0443 or P0449 for the 5.3L or 6.0L engine
P0451	Fuel Tank Pressure (FTP) Sensor Performance	ECM	DTC P0451, P0452, P0453, or P0454 for the 4.2L engine or DTC P0451, P0452, P0453, or P0454 for the 5.3L or 6.0L engine
P0452	Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage	ECM	DTC P0451, P0452, P0453, or P0454 for the 4.2L engine or DTC P0451, P0452, P0453, or P0454 for the 5.3L or 6.0L engine
P0453	Fuel Tank Pressure (FTP) Sensor Circuit High Voltage	ECM	DTC P0451, P0452, P0453, or P0454 for the 4.2L engine or DTC P0451, P0452, P0453, or P0454 for the 5.3L or 6.0L engine
P0454	Fuel Tank Pressure (FTP) Sensor Circuit Intermittent	ECM	DTC P0451, P0452, P0453, or P0454 for the 4.2L engine or DTC P0451, P0452, P0453, or P0454 for the 5.3L or 6.0L engine
P0455	Evaporative Emission (EVAP) System Large Leak Detected	ECM	DTC P0455 for the 4.2L engine or DTC P0455 for the 5.3L or 6.0L engine
P0461	Fuel Level Sensor Performance	ECM	DTC P0461
P0462	Fuel Level Sensor Circuit Low Voltage	ECM	DTC P0462
P0463	Fuel Level Sensor Circuit High Voltage	ECM	DTC P0463
P0464	Fuel Level Sensor Circuit Intermittent	ECM	DTC P0464
P0496	Evaporative Emission (EVAP) System Flow During Non-Purge	ECM	DTC P0496 for the 4.2L engine or DTC P0496 for the 5.3L or 6.0L engine
P0506	Idle Speed Low	ECM	DTC P0506 or P0507 for the 4.2L engine or DTC P0506 or P0507 for the 5.3L or 6.0L engine
P0507	Idle Speed High	ECM	DTC P0506 or P0507 for the 4.2L engine or DTC P0506 or P0507 for the 5.3L or 6.0L engine
P0520	Engine Oil Pressure (EOP) Sensor Circuit	ECM	DTC P0520
P0521	Engine Oil Pressure (EOP) Sensor Performance	ECM	DTC P0521, P0522, or P0523
P0522	Engine Oil Pressure (EOP) Sensor Circuit Low Voltage	ECM	DTC P0521, P0522, or P0523
P0523	Engine Oil Pressure (EOP) Sensor Circuit High Voltage	ECM	DTC P0521, P0522, or P0523
P0530	Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit	ECM	DTC P0530 with CJ2 or DTC P0530 with CJ3
P0556	Brake Booster Pressure Sensor Performance	ECM	DTC P0556, P0557, or P0558 for the 5.3L engine
P0557	Brake Booster Pressure Sensor Circuit Low Voltage	ECM	DTC P0556, P0557, or P0558 for the 5.3L engine
P0558	Brake Booster Pressure Sensor Circuit High Voltage	ECM	DTC P0556, P0557, or P0558 for the 5.3L engine
P0562	System Voltage Low	ECM	DTC P0562
P0562	System Voltage Low	TCM	DTC P0562 or P0563
P0563	System Voltage High	ECM	DTC P0563
P0563	System Voltage High	TCM	DTC P0562 or P0563
P0567	Cruise Control Resume Switch Circuit	ECM	DTC P0567
P0568	Cruise Control Set Switch Circuit	ECM	DTC P0568
P0601	Control Module Read Only Memory (ROM)	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0601	Transmission Control Module (TCM) Read Only Memory (ROM)	TCM	DTC P0601-P0604 or P062F
P0602	Control Module Not Programmed	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0602	Transmission Control Module (TCM) Not Programmed	TCM	DTC P0601-P0604 or P062F
P0603	Control Module Long Term Memory Reset	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0603	Transmission Control Module (TCM) Long Term Memory Reset	TCM	DTC P0601-P0604 or P062F
P0604	Control Module Random Access Memory (RAM)	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0604	Transmission Control Module (TCM) Random Access Memory (RAM)	TCM	DTC P0601-P0604 or P062F
P0606	Control Module Internal Performance	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0607	Control Module Performance	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0608	Vehicle Speed Output Circuit	TCM	DTC P0608
P060D	Control Module Accelerator Pedal Position (APP) System Performance	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P0615	Starter Relay Control Circuit	ECM	DTC P0615
P0622	Generator F-Terminal Circuit	ECM	DTC P0622
P062F	Control Module Long Term Memory Performance	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P062F	Transmission Control Module (TCM) Long Term Memory Performance	TCM	DTC P0601-P0604 or P062F
P0641	5-Volt Reference 1 Circuit	ECM	DTC P0641 or P0651 for the 4.2L engine or DTC P0641 or P0651 for the 5.3L or 6.0L engine
P0650	Malfunction Indicator Lamp (MIL) Control Circuit	ECM	DTC P0650 for the 4.2L engine or DTC P0650 for the 5.3L or 6.0L engine
P0651	5-Volt Reference 2 Circuit	ECM	DTC P0641 or P0651 for the 4.2L engine or DTC P0641 or P0651 for the 5.3L or 6.0L engine
P0654	Engine Speed Output Circuit	ECM	DTC P0654
P0685	Engine Controls Ignition Relay Control Circuit	ECM	DTC P0685, P0689, or P0690 for the 4.2L engine or DTC P0685, P0689, or P0690 for the 5.3L or 6.0L engine
P0689	Engine Controls Ignition Relay Feedback Circuit Low Voltage	ECM	DTC P0685, P0689, or P0690 for the 4.2L engine or DTC P0685, P0689, or P0690 for the 5.3L or 6.0L engine
P0690	Engine Controls Ignition Relay Feedback Circuit High Voltage	ECM	DTC P0685, P0689, or P0690 for the 4.2L engine or DTC P0685, P0689, or P0690 for the 5.3L or 6.0L engine
P0700	Transmission Control Module (TCM) Requested MIL Illumination	ECM	DTC P0700 for the 4.2L engine or DTC P0700 for the 5.3L or 6.0L engine
P0705	Transmission Range (TR) Switch Circuit	TCM	DTC P0705
P0711	Transmission Fluid Temperature (TFT) Sensor Performance	TCM	DTC P0711
P0712	Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage	TCM	DTC P0712 or P0713
P0713	Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage	TCM	DTC P0712 or P0713
P0716	Input Speed Sensor Performance	TCM	DTC P0716 or P0717
P0717	Input Speed Sensor Circuit Low Voltage	TCM	DTC P0716 or P0717
P0719	Brake Switch Circuit Low Voltage	TCM	DTC P0719 or P0724
P071A	Transmission Tow Mode Switch Circuit	TCM	DTC P071A
P0722	Output Speed Sensor Circuit Low Voltage	TCM	DTC P0722 or P0723
P0723	Output Speed Sensor Circuit Intermittent	TCM	DTC P0722 or P0723
P0724	Brake Switch Circuit High Voltage	TCM	DTC P0719 or P0724
P0741	Torque Converter Clutch (TCC) System - Stuck Off	TCM	DTC P0741, P0751, or P0756
P0742	Torque Converter Clutch (TCC) System - Stuck On	TCM	DTC P0742, P0752, or P0757
P0751	1-2 Shift Solenoid (SS) Valve Performance - No First, Fourth or Fifth Gear	TCM	DTC P0741, P0751, or P0756
P0752	1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear	TCM	DTC P0742, P0752, or P0757
P0756	2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear	TCM	DTC P0741, P0751, or P0756
P0757	2-3 Shift Solenoid (SS) Valve Performance - No Third, Fourth or Fifth Gear	TCM	DTC P0742, P0752, or P0757
P0787	3-2 Shift Solenoid (SS) Control Circuit Low Voltage	TCM	DTC P0787 or P0788
P0788	3-2 Shift Solenoid (SS) Control Circuit High Voltage	TCM	DTC P0787 or P0788
P0851	Park/Neutral Position (PNP) Switch Circuit Low Voltage	TCM	DTC P0851 or P0852
P0852	Park/Neutral Position (PNP) Switch Circuit High Voltage	TCM	DTC P0851 or P0852
P0856	Traction Control Torque Request Circuit	ECM	DTC C0241 or P0856
P0961	Line Pressure Control (PC) Solenoid System Performance	TCM	DTC P0961
P0973	1-2 Shift Solenoid (SS) Control Circuit Low Voltage	TCM	DTC P0973, P0976, or P2764
P0974	1-2 Shift Solenoid (SS) Control Circuit High Voltage	TCM	DTC P0974, P0977, or P2763
P0976	2-3 Shift Solenoid (SS) Control Circuit Low Voltage	TCM	DTC P0973, P0976, or P2764
P0977	2-3 Shift Solenoid (SS) Control Circuit High Voltage	TCM	DTC P0974, P0977, or P2763
P1101	Intake Air Flow System Performance	ECM	DTC P0101 or P1101 for the 4.2L engine or DTC P0101 or P1101 for the 5.3L or 6.0L engine
P1133	HO2S Insufficient Switching Sensor 1	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00 for the 4.2L engine
P1133	HO2S Insufficient Switching Bank 1 Sensor 1	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 for the 5.3L or 6.0L engine
P1153	HO2S Insufficient Switching Bank 2 Sensor 1	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P1174	Fuel Trim Cylinder Balance	ECM	DTC P1174 for the 4.2L engine
P1174	Fuel Trim Cylinder Balance Bank 1	ECM	DTC P1174 or P1175 for the 5.3L or 6.0L engine
P1175	Fuel Trim Cylinder Balance Bank 2	ECM	DTC P1174 or P1175
P1380	Misfire Detected - Rough Road Data Not Available	ECM	DTC P1380 or P1381
P1381	Misfire Detected - No Communication With Brake Control Module	ECM	DTC P1381 for the 4.2L engine or DTC P1380 or P1381 for the 5.3L or 6.0L engine
P1400	Cold Start Emission Reduction Control System	ECM	DTC P1400 for the 4.2L engine or DTC P1400 for the 5.3L or 6.0L engine
P1516	Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance	ECM	DTC P1516, P2101, P2119, or P2176 for the 4.2L engine or DTC P1516, P2101, P2119, or P2176 for the 5.3L or 6.0L engine
P1574	Stoplamp Switch Circuit	ECM	DTC P1574
P1630	Theft Deterrent Learn Mode Active	ECM	DTC P1630
P1631	Theft Deterrent Fuel Enable Signal Not Correct	ECM	DTC P1631
P1682	Ignition 1 Switch Circuit 2	ECM	DTC P1682 for the 4.2L engine or DTC P1682 for the 5.3L or 6.0L engine
P1689	Traction Control Delivered Torque Output Circuit	ECM	DTC C0244 or P1689
P1762	Transmission Mode Switch Signal Circuit	TCM	DTC P1762
P1810	Transmission Fluid Pressure (TFP) Position Switch Circuit	TCM	DTC P1810, P1815, P1816, or P1818
P1815	Transmission Fluid Pressure (TFP) Valve Position Switch - Start in Wrong Range	TCM	DTC P1810, P1815, P1816, or P1818
P1816	Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Park/Neutral (P/N) with Drive Ratio	TCM	DTC P1810, P1815, P1816, or P1818
P1818	Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Drive without Drive Ratio	TCM	DTC P1810, P1815, P1816, or P1818
P2101	Control Module Throttle Actuator Position Performance	ECM	DTC P1516, P2101, P2119, or P2176 for the 4.2L engine or DTC P1516, P2101, P2119, or P2176 for the 5.3L or 6.0L engine
P2119	Throttle Closed Position Performance	ECM	DTC P1516, P2101, P2119, or P2176 for the 4.2L engine or DTC P1516, P2101, P2119, or P2176 for the 5.3L or 6.0L engine
P2120	Accelerator Pedal Position (APP) Sensor 1 Circuit	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2122	Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2123	Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2125	Accelerator Pedal Position (APP) Sensor 2 Circuit	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2127	Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2128	Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2135	Throttle Position (TP) Sensor 1-2 Correlation	ECM	DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 4.2L engine or DTC P0120, P0122, P0123, P0220, P0222, P0223, or P2135 for the 5.3L or 6.0L engine
P2138	Accelerator Pedal Position (APP) Sensor 1-2 Correlation	ECM	DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 4.2L engine or DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 for the 5.3L or 6.0L engine
P2176	Minimum Throttle Position Not Learned	ECM	DTC P1516, P2101, P2119, or P2176 for the 4.2L engine or DTC P1516, P2101, P2119, or P2176 for the 5.3L or 6.0L engine
P2207	HO2S Signal Stuck Lean Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00 for the 4.2L engine
P2207	HO2S Signal Stuck Lean Bank 1 Sensor 2	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 for the 5.3L or 6.0L engine
P2271	HO2S Signal Stuck Rich Sensor 2	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00 for the 4.2L engine
P2271	HO2S Signal Stuck Rich Bank 1 Sensor 2	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01 for the 5.3L or 6.0L engine
P2272	HO2S Signal Stuck Lean Bank 2 Sensor 2	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P2273	HO2S Signal Stuck Rich Bank 2 Sensor 2	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P2430	Secondary Air Injection (AIR) System Pressure Sensor Circuit	ECM	DTC P2430-P2433
P2431	Secondary Air Injection (AIR) System Pressure Sensor Performance	ECM	DTC P2430-P2433
P2432	Secondary Air Injection (AIR) System Pressure Sensor Circuit Low Voltage	ECM	DTC P2430-P2433
P2433	Secondary Air Injection (AIR) System Pressure Sensor Circuit High Voltage	ECM	DTC P2430-P2433
P2440	Secondary Air Injection (AIR) System Shut-Off Valve Stuck Open	ECM	DTC P2440
P2444	Secondary Air Injection (AIR) System Pump Stuck On	ECM	DTC P2444
P2534	Ignition 1 Switch Circuit Low Voltage	TCM	DTC P2534
P2544	Transmission Torque Request Circuit	ECM	DTC P2544
P2610	Control Module Ignition Off Timer Performance	ECM	DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 4.2L engine or DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 for the 5.3L or 6.0L engine
P2763	Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage	TCM	DTC P0974, P0977, or P2763
P2764	Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage	TCM	DTC P0973, P0976, or P2764
P2769	Torque Converter Clutch (TCC) Enable Solenoid Control Circuit Low Voltage	TCM	DTC P2769 or P2770
P2770	Torque Converter Clutch (TCC) Enable Solenoid Control Circuit High Voltage	TCM	DTC P2769 or P2770
P2771	Four Wheel Drive (4WD) Low Switch Circuit	ECM	DTC P2771
P2A00	HO2S Circuit Closed Loop (CL) Performance Sensor 1	ECM	DTC P0133, P0134, P013A, P013B, P013E, P013F, P0140, P1133, P2270, P2271, or P2A00
P2A01	HO2S Performance Bank 1 Sensor 2	ECM	DTC P0133, P0134, P0140, P1133, P2270, P2271, P2A00, or P2A01
P2A04	HO2S Performance Bank 2 Sensor 2	ECM	DTC P0153, P0154, P0160, P1153, P2272, P2273, P2A03, or P2A04
P3400	Cylinder Deactivation System Performance	ECM	DTC P3400
P3401	Cylinder 1 Deactivation Solenoid Control Circuit	ECM	DTC P3401, P3425, P3441, or P3449
P3425	Cylinder 4 Deactivation Solenoid Control Circuit	ECM	DTC P3401, P3425, P3441, or P3449
P3441	Cylinder 6 Deactivation Solenoid Control Circuit	ECM	DTC P3401, P3425, P3441, or P3449
P3449	Cylinder 7 Deactivation Solenoid Control Circuit	ECM	DTC P3401, P3425, P3441, or P3449
U0001	High Speed CAN Communication Bus	ECM, TCM	DTC U0001
U0073	Control Module Communication Bus A Off	ECM, TCM	DTC U0073
U0100	Lost Communication With Engine Control Module (ECM)	TCM	DTC U0100-U0299
U0101	Lost Communication with Transmission Control Module (TCM)	ECM	DTC U0100-U0299
U1000	Class 2 Data Link Malfunction	BCM, DDM, DRR, DSM, DVD Player, EBCM, EGM, PDM, HVAC Control Module, HVAC Control Module - Auxiliary, IPC, PLGM, , PRM, Radio, SDM, TCSCM, VCIM, VTD	DTC U1000 and U1255
U1016	Lost Communications With Engine Control Module (ECM)	BCM, DDM, DSM, DVD Player, EGM, PDM, HVAC Control Module, HVAC Control Module - Auxiliary, IPC, PRM, Radio, SDM, TCSCM, VTD	DTC U1001-U1254
U1026	Lost Communications With Transfer Case Shift Control Module (TCSCM)	IPC	DTC U1001-U1254
U1041	Lost Communications With Electronic Brake Control Module (EBCM)	IPC, SDM, TCSCM	DTC U1001-U1254
U1064	Lost Communications With Body Control Module (BCM)	DSM, DVD Player, EGM, HVAC Control Module, HVAC Control Module - Auxiliary, IPC, PRM, Radio, SDM, TCSCM, VCIM, VTD	DTC U1001-U1254
U1088	Lost Communications With Inflatable Restraint Sensing and Diagnostic Module (SDM)	IPC, Radio, VCIM	DTC U1001-U1254
U1096	Lost Communications With Instrument Panel Cluster (IPC)	BCM, EGM, PRM, SDM	DTC U1001-U1254
U1128	Lost Communications With Radio	HVAC Control Module - Auxiliary	DTC U1001-U1254
U1133	Lost Communications With DVD Player	Radio	DTC U1001-U1254
U1137	Lost Communications With Digital Radio Receiver (DRR)	Radio	DTC U1001-U1254
U1151	Lost Communications With Communication Interface Module (OnStar®)	Radio	DTC U1001-U1254
U1152	Lost Communications With HVAC Control Module	DDM, EGM, PDM, PLGM, HVAC Control Module - Auxiliary,	DTC U1001-U1254
U1160	Lost Communications With Driver Door Module (DDM)	BCM, DSM, PDM, IPC	DTC U1001-U1254
U1161	Lost Communications With Passenger Door Module (PDM)	BCM, DDM, IPC	DTC U1001-U1254
U1162	Lost Communications With Lift Gate Module (LGM)	BCM, IPC, PRM	DTC U1001-U1254
U1166	Lost Communications With Driver Seat Module (DSM)	DDM, FPDM	DTC U1001-U1254
U1167	Lost Communications With Rear Auxiliary HVAC Control Module	HVAC Control Module, Radio	DTC U1001-U1254
U1173	Lost Communications With Power Roof Module (PRM)	EGM	DTC U1001-U1254
U1192	Lost Communications With Vehicle Theft Deterrent (VTD)	BCM,	DTC U1001-U1254
U1241	Lost Communication With Scan Tool	SDM	DTC U1241
U1300	Class 2 Data Link Low	DVD Player, HVAC Control Module, IPC, , Radio, SDM, VCIM	DTC U1300, U1301, or U1305
U1301	Class 2 Data Link High	DVD Player, HVAC Control Module, IPC, , Radio, SDM, VCIM	DTC U1300, U1301, or U1305
U1305	Class 2 Data Link Low or High	BCM, DSM, HVAC Control Module - Auxiliary, PRM	DTC U1300, U1301, or U1305
U1500	Inter Device Dedicated Bus Malfunction	VCIM	DTC U1500
U2100	High Speed CAN Communication Bus	TCM	DTC U2100
U2105	Lost Communication With Engine Control Module (ECM)	TCM	DTC U2105-U2199
001	System Disabled Information Stored	Air Suspension Compressor Assembly	DTC 001
002	Left Rear Position Sensor Circuit	Air Suspension Compressor Assembly	DTC 002
003	Right Rear Position Sensor Circuit	Air Suspension Compressor Assembly	DTC 003
023	Seat Belt Tension Sensor Circuit Out of Range	PPS	DTC 023
024	PPS Ignition 1 Voltage Performance	PPS	DTC 024
063	PPS Out of Calibration	PPS	DTC 063
064	PPS Communication/ID Performance	PPS	DTC 064
065	PPS Sensor Circuit Out of Range	PPS	DTC 065