Diagnostic Trouble Code (DTC) List - Vehicle. Chevrolet Impala 2005

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 Impala 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 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
B0012	Passenger Frontal Deployment Loop Stage 2 Resistance Low	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR
B0013	Passenger Frontal Deployment Loop Stage 2 Open	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR
B0014	Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR
B0016	Passenger Frontal Deployment Loop (single stage or stage 1) Resistance Low	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR
B0017	Passenger Frontal Deployment Loop (single stage or stage 1) Open	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR
B0018	Passenger Frontal Deployment Loop (single stage or stage 1) Voltage Out of Range	SDM	DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR
B0022	Driver Frontal Deployment Loop (single stage or stage 1) Resistance Low	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR
B0024	Driver Frontal Deployment Loop (single stage or stage 1) Voltage Out of Range	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR
B0026	Driver Frontal Deployment Loop (single stage or stage 1) Open	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR
B0034	Side Air Bag Deployment Commanded	SDM	DTC B0034 in SIR
B0040	Left Front Side Deployment Loop Resistance Low	SDM	DTC B0040, B0041, or B0045 in SIR
B0041	Left Front Side Deployment Loop Open	SDM	DTC B0040, B0041, or B0045 in SIR
B0042	Driver Frontal Deployment Loop Stage 2 Resistance Low	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR
B0043	Driver Frontal Deployment Loop Stage 2 Voltage Out of Range	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR
B0044	Driver Frontal Deployment Loop Stage 2 Open	SDM	DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR
B0045	Left Front Side Deployment Loop Voltage Out of Range	SDM	DTC B0040, B0041, or B0045 in SIR
B0051	Deployment Commanded	SDM	DTC B0051 in SIR
B0053	Deployment Commanded With Loop DTCs Present	SDM	DTC B0053 in SIR
B0077	Driver Side Impact Sensor (SIS) Performance	SDM	DTC B0077, B0079, or B0080 in SIR
B0079	Incorrect Driver Side Impact Sensor (SIS) Installed	SDM	DTC B0077, B0079, or B0080 in SIR
B0080	Discard Driver Side Impact Sensor (SIS)	SDM	DTC B0077, B0079, or B0080 in SIR
B0100	Front End Sensor 1 Performance	SDM	DTC B0100, B0101, or B0102 in SIR
B0101	Discard Front End Sensor 1	SDM	DTC B0100, B0101, or B0102 in SIR
B0102	Incorrect Front End Sensor 1 Installed	SDM	DTC B0100, B0101, or B0102 in SIR
B0160	Outside Air Temperature Sensor Circuit Low	DIC	DTC B0160 in Instrument Panel, Gages, and Console
B0162	Outside Air Temperature Sensor Circuit Open	DIC	DTC B0162 in Instrument Panel, Gages, and Console
B0248	Air Flow Control 3 Circuit	HVAC Control Module	DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual
B0249	Air Flow Control 3 Circuit Range/Performance	HVAC Control Module	DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual
B0268	Air Flow Control 7 Circuit	HVAC Control Module	DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual
B0269	Air Flow Control 7 Circuit Range/Performance	HVAC Control Module	DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual
B0408	Temperature Control 1 Circuit	HVAC Control Module	DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual
B0409	Temperature Control 1 Circuit Range/Performance	HVAC Control Module	DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual
B0414	Temperature Control 1 Feedback Circuit Range/Performance	HVAC Control Module	DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual
B0418	Temperature Control 2 Circuit	HVAC Control Module	DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual
B0419	Temperature Control 2 Circuit Range/Performance	HVAC Control Module	DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual
B0424	Temperature Control 2 Feedback Circuit Range/Performance	HVAC Control Module	DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual
B0931	Compass Sensor Circuit	DIC	DTC B0931 in Instrument Panel, Gages, and Console
B1000	Electronic Control Unit (ECU) Performance	BCM, DIC, EBCM, IPC, OnStar® VCIM, PCM, Radio, SDM	DTC B1000 in Computer/Integrating Systems
B1001	Option Configuration Error	Radio	DTC B1001 in Entertainment
B1001	Option Configuration Error	SDM	DTC B1001 in SIR
B1003	Electronic Control Unit (ECU) Identification Circuit	BCM	DTC B1003 in Keyless Entry
B1007	EEPROM Read/Write Error	Radio	DTC B1007 in Computer/Integrating Systems
B1009	EEPROM Checksum Mismatch	OnStar® VCIM	DTC B1009 in Computer/Integrating Systems
B1025	Audio Output Circuit	Radio	DTC B1025, B1035, B1045, or B1055 in Entertainment
B1259	Antenna Ground Circuit	DRR	DTC B1259 in Entertainment
B1327	Device Power 1 Circuit Low	BCM, OnStar® VCIM	DTC B1327 in Engine Electrical
B1339	Device Power 3 (high current 1) Circuit Open	BCM	DTC B1339 in Computer/Integrating Systems
B1349	Device Ground (single or 1) (chassis ground 1) Circuit Open	BCM	DTC B1349 in Computer/Integrating Systems
B1440	Power Mode Master Input Circuits Mismatch	BCM	DTC B1440 in Computer/Integrating Systems
B1477	Retained Accessory Power Circuit Low	BCM	DTC B1477 in Computer/Integrating Systems
B1478	Retained Accessory Power Circuit High	BCM	DTC B1478 in Computer/Integrating Systems
B1507	High Power Control Circuit Low	BCM	DTC B1507 or B1508 in Computer/Integrating Systems
B1508	High Power Control Circuit High	BCM	DTC B1507 or B1508 in Computer/Integrating Systems
B1780	Theftlock Enabled	Radio	DTC B1780 in Entertainment
B2455	Cellular Phone Microphone Circuit Malfunction	OnStar® VCIM	DTC B2455 in Cellular Communication
B2470	Cellular Phone Antenna Circuit Malfunction	OnStar® VCIM	DTC B2470 in Cellular Communication
B2476	Cellular Phone Select Service Switch Malfunction (3 button assembly)	OnStar® VCIM	DTC B2476 in Cellular Communication
B2482	Cellular Phone Select Switch Range/Performance	OnStar® VCIM	DTC B2482 in Cellular Communication
B2483	Global Positioning System (GPS) Sensor Circuit Low	OnStar® VCIM	DTC B2483 or B2484 in Cellular Communication
B2484	Global Positioning System (GPS) Sensor Circuit Open	OnStar® VCIM	DTC B2483 or B2484 in Cellular Communication
B2532	Front Fog Lamps Control Circuit Low	BCM	DTC B2532 in Lighting Systems
B2533	Front Fog Lamps Control Circuit High	BCM	DTC B2533 in Lighting Systems
B2552	Backup Lamps Control Circuit Low	BCM	DTC B2552 in Lighting Systems
B2553	Backup Lamps Control Circuit High	BCM	DTC B2553 in Lighting Systems
B2577	Headlamp Control Circuit Low	BCM	DTC B2577 in Lighting Systems
B2578	Headlamp Control Circuit High	BCM	DTC B2578 in Lighting Systems
B2587	Park Lamp Control Circuit Low	BCM	DTC B2587 in Lighting Systems
B2588	Park Lamp Control Circuit High	BCM	DTC B2588 in Lighting Systems
B2602	Daytime Running Lamp Control Circuit Low	BCM	DTC B2602 in Lighting Systems
B2603	Daytime Running Lamp Control Circuit High	BCM	DTC B2603 in Lighting Systems
B2617	Courtesy Lamps Supply Voltage Circuit Low	BCM	DTC B2617 in Lighting Systems
B2618	Courtesy Lamps Supply Voltage Circuit High	BCM	DTC B2618 in Lighting Systems
B2647	Ambient Light Sensor Circuit Low	BCM	DTC B2647 in Lighting Systems
B2648	Ambient Light Sensor Circuit High	BCM	DTC B2648 in Lighting Systems
B2654	Courtesy Lamp Low Control Circuit Low	BCM	DTC B2654 in Lighting Systems
B2655	Courtesy Lamp Low Control Circuit High	BCM	DTC B2655 in Lighting Systems
B2665	Park Lamp Switch Circuit High	BCM	DTC B2665 in Lighting Systems
B2712	Gearshift Lock Circuit Low	BCM	DTC B2712 in Shift Lock Control
B2713	Gearshift Lock Circuit High	BCM	DTC B2713 in Shift Lock Control
B2742	Front Fog Lamp Switch Circuit Low	BCM	DTC B2742 in Lighting Systems
B2747	Traction Control Switch Circuit Low	BCM	DTC B2747 in Antilock Brake System
B2753	Horn Relay Coil Circuit High	BCM	DTC B2753 in Horns
B2947	Security System Sensor Power Circuit Low	BCM	DTC B2947 in Theft Deterrent
B2948	Security System Sensor Power Circuit High	BCM	DTC B2948 in Theft Deterrent
B2957	Security System Sensor Data Circuit Low	BCM	DTC B2957 in Theft Deterrent
B2958	Security System Sensor Data Circuit High	BCM	DTC B2958 in Theft Deterrent
B2960	Security System Sensor Data Incorrect but Valid	BCM	DTC B2960 in Theft Deterrent
B2964	Key In Ignition Circuit High	BCM	DTC B2964 in Instrument Panel, Gages, and Console
B3031	Security System Controller In Learn Mode	BCM	DTC B3031 in Theft Deterrent
B3033	Security System Indicates Tamper	BCM	DTC B3033 in Theft Deterrent
B3069	Right Front/Left Front Door Key Unlock Switch Circuit Low	BCM	DTC B3064 or B3069 in Doors
B3102	Keyless Entry Data Link Circuit Low	BCM	DTC B3102 in Keyless Entry
B3103	Keyless Entry Data Link Circuit High	BCM	DTC B3103 in Keyless Entry
B3106	Keyless Entry Data Link Parity Error	BCM	DTC B3106 in Keyless Entry
B3127	Left Front/Driver Door Unlock Circuit Low	BCM	DTC B3127 in Doors
B3128	Left Front/Driver Door Unlock Circuit High	BCM	DTC B3128, B3133, or B3138 in Doors
B3132	All Door Unlock Circuit Low	BCM	DTC B3132 in Doors
B3133	All Door Unlock Circuit High	BCM	DTC B3128, B3133, or B3138 in Doors
B3137	All Door Lock Circuit Low	BCM	DTC B3137 in Doors
B3138	All Door Lock Circuit High	BCM	DTC B3128, B3133, or B3138 in Doors
B3247	Trunk Motor Circuit Low	BCM	DTC B3247 in Body Rear End
B3248	Trunk Motor Circuit High	BCM	DTC B3248 in Body Rear End
B3272	Driver Door Lock or Unlock Switch Circuit Low	BCM	DTC B3272 in Doors
B3748	Air Flow Control 3 Feedback Circuit Range/Performance	HVAC Control Module	DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual
B3749	Air Flow Control 7 Feedback Circuit Range/Performance	HVAC Control Module	DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual
C0550	Electronic Control Unit (ECU) Performance	BCM	DTC C0550 in Computer/Integrating Systems
C1214	System Relay Contact or Coil Circuit Open	EBCM	DTC C1214 in Antilock Brake System
C1216	EBCM Commanded Pressure Release Too Long	EBCM	DTC C1216 in Antilock Brake System
C1217	Pump Motor Shorted to Ground	EBCM	DTC C1217 in Antilock Brake System
C1218	Pump Motor Circuit Short to Voltage Or Motor Ground Open	EBCM	DTC C1218 in Antilock Brake System
C1221	Left Front Wheel Speed Sensor Input Signal = 0	EBCM	DTC C1221-C1235 in Antilock Brake System
C1222	Right Front Wheel Speed Sensor Input Signal = 0	EBCM	DTC C1221-C1235 in Antilock Brake System
C1223	Left Rear Wheel Speed Sensor Input Signal = 0	EBCM	DTC C1221-C1235 in Antilock Brake System
C1224	Right Rear Wheel Speed Sensor Input Signal = 0	EBCM	DTC C1221-C1235 in Antilock Brake System
C1225	Left Front Excessive Wheel Speed Sensor Variation	EBCM	DTC C1221-C1235 in Antilock Brake System
C1226	Right Front Excessive Wheel Speed Sensor Variation	EBCM	DTC C1221-C1235 in Antilock Brake System
C1227	Left Rear Excessive Wheel Speed Sensor Variation	EBCM	DTC C1221-C1235 in Antilock Brake System
C1228	Right Rear Excessive Wheel Speed Sensor Variation	EBCM	DTC C1221-C1235 in Antilock Brake System
C1232	Left Front Wheel Speed Sensor Circuit Open or Shorted	EBCM	DTC C1221-C1235 in Antilock Brake System
C1233	Right Front Wheel Speed Sensor Circuit Open or Shorted	EBCM	DTC C1221-C1235 in Antilock Brake System
C1234	Left Rear Wheel Speed Sensor Circuit Open or Shorted	EBCM	DTC C1221-C1235 in Antilock Brake System
C1235	Right Rear Wheel Speed Sensor Circuit Open or Shorted	EBCM	DTC C1221-C1235 in Antilock Brake System
C1236	Low System Supply Voltage	EBCM	DTC C1236 in Antilock Brake System
C1237	High System Supply Voltage	EBCM	DTC C1237 in Antilock Brake System
C1238	Brake Thermal Model Exceeded	EBCM	DTC C1238 in Antilock Brake System
C1242	Pump Motor Circuit Open	EBCM	DTC C1242 or C1243 in Antilock Brake System
C1243	Pump Motor Stalled	EBCM	DTC C1242 or C1243 in Antilock Brake System
C1245	Tire Pressure	EBCM	DTC C1245 in Tire Pressure Monitoring
C1247	Low Brake Fluid Detected	EBCM	DTC C1247 in Hydraulic Brakes
C1248	DRP Disabled	EBCM	DTC C1248 in Antilock Brake System
C1254	Abnormal Shutdown Detected	EBCM	DTC C1254 in Antilock Brake System
C1255	Loss of Class 2 Communication	EBCM	DTC C1255 or C1256 in Antilock Brake System
C1256	EBCM/EBTCM Internal Malfunction	EBCM	DTC C1255 or C1256 in Antilock Brake System
C1261	Left Front Inlet Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1262	Left Front Outlet Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1263	Right Front Inlet Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1264	Right Front Outlet Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1265	Left Rear Inlet Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1266	Left Rear Outlet Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1267	Right Rear Inlet Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1268	Right Rear Outlet Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1272	Left Front TCS Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1274	Right Front TCS Valve Solenoid Malfunction	EBCM	DTC C1261-C1274 in Antilock Brake System
C1276	Delivered Torque Signal Circuit Malfunction	EBCM	DTC C1276, P1644, or P1689 in Antilock Brake System
C1277	Traction Control Torque Request Circuit	EBCM	DTC C1277 or P0856 in Antilock Brake System
C1278	Traction Control System Temporarily Inhibited by PCM	EBCM	DTC C1278 in Antilock Brake System
C1291	Open Brake Lamp Switch Contacts During Deceleration	EBCM	DTC C1291 in Antilock Brake System
C1294	Brake Lamp Switch Circuit Always Active	EBCM	DTC C1294 in Antilock Brake System
C1295	Brake Lamp Switch Circuit Open	EBCM	DTC C1295 in Antilock Brake System
P0016	Crankshaft Position (CKP) - Camshaft Position (CMP) Correlation	PCM	DTC P0016 in Engine Controls - 3.4L or DTC P0016 in Engine Controls - 3.8L (L36 and L67)
P0030	HO2S Heater Control Circuit Bank 1 Sensor 1	PCM	DTC P0030 in Engine Controls - 3.4L or DTC P0030 in Engine Controls - 3.8L (L36 and L67)
P0036	HO2S Heater Control Circuit Bank 1 Sensor 2	PCM	DTC P0036 in Engine Controls - 3.4L or DTC P0036 in Engine Controls - 3.8L (L36 and L67)
P0101	Mass Air Flow (MAF) Sensor Performance	PCM	DTC P0101 in Engine Controls - 3.4L or DTC P0101 in Engine Controls - 3.8L (L36 and L67)
P0102	Mass Air Flow (MAF) Sensor Circuit Low Frequency	PCM	DTC P0102 in Engine Controls - 3.4L or DTC P0102 in Engine Controls - 3.8L (L36 and L67)
P0103	Mass Air Flow (MAF) Sensor Circuit High Frequency	PCM	DTC P0103 in Engine Controls - 3.4L or DTC P0103 in Engine Controls - 3.8L (L36 and L67)
P0107	Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage	PCM	DTC P0107 in Engine Controls - 3.4L or DTC P0107 in Engine Controls - 3.8L (L36 and L67)
P0108	Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage	PCM	DTC P0108 in Engine Controls - 3.4L or DTC P0108 in Engine Controls - 3.8L (L36 and L67)
P0112	Intake Air Temperature (IAT) Sensor Circuit Low Voltage	PCM	DTC P0112 in Engine Controls - 3.4L or DTC P0112 in Engine Controls - 3.8L (L36 and L67)
P0113	Intake Air Temperature (IAT) Sensor Circuit High Voltage	PCM	DTC P0113 in Engine Controls - 3.4L or DTC P0113 in Engine Controls - 3.8L (L36 and L67)
P0116	Engine Coolant Temperature (ECT) Sensor Performance	PCM	DTC P0116 in Engine Controls - 3.4L or DTC P0116 in Engine Controls - 3.8L (L36 and L67)
P0117	Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage	PCM	DTC P0117 in Engine Controls - 3.4L or DTC P0117 in Engine Controls - 3.8L (L36 and L67)
P0118	Engine Coolant Temperature (ECT) Sensor Circuit High Voltage	PCM	DTC P0118 in Engine Controls - 3.4L or DTC P0118 in Engine Controls - 3.8L (L36 and L67)
P0121	Throttle Position (TP) Sensor Performance	PCM	DTC P0121 in Engine Controls - 3.4L or DTC P0121 in Engine Controls - 3.8L (L36 and L67)
P0122	Throttle Position (TP) Sensor Circuit Low Voltage	PCM	DTC P0122 in Engine Controls - 3.4L or DTC P0122 in Engine Controls - 3.8L (L36 and L67)
P0123	Throttle Position (TP) Sensor Circuit High Voltage	PCM	DTC P0123 in Engine Controls - 3.4L or DTC P0123 in Engine Controls - 3.8L (L36 and L67)
P0125	Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control	PCM	DTC P0125 in Engine Controls - 3.4L or DTC P0125 in Engine Controls - 3.8L (L36 and L67)
P0128	Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature	PCM	DTC P0128 in Engine Controls - 3.4L or DTC P0128 in Engine Controls - 3.8L (L36 and L67)
P0131	HO2S Circuit Low Voltage Bank 1 Sensor 1	PCM	DTC P0131 in Engine Controls - 3.4L or DTC P0131 in Engine Controls - 3.8L (L36 and L67)
P0132	HO2S Circuit High Voltage Bank 1 Sensor 1	PCM	DTC P0132 in Engine Controls - 3.4L or DTC P0132 in Engine Controls - 3.8L (L36 and L67)
P0133	HO2S Slow Response Bank 1 Sensor 1	PCM	DTC P0133 in Engine Controls - 3.4L or DTC P0133 in Engine Controls - 3.8L (L36 and L67)
P0134	HO2S Insufficient Activity Bank 1 Sensor 1	PCM	DTC P0134 in Engine Controls - 3.4L or DTC P0134 in Engine Controls - 3.8L (L36 and L67)
P0135	HO2S Heater Performance Bank 1 Sensor 1	PCM	DTC P0135 in Engine Controls - 3.4L or DTC P0135 in Engine Controls - 3.8L (L36 and L67)
P0137	HO2S Circuit Low Voltage Bank 1 Sensor 2	PCM	DTC P0137 in Engine Controls - 3.4L or DTC P0137 in Engine Controls - 3.8L (L36 and L67)
P0138	HO2S Circuit High Voltage Bank 1 Sensor 2	PCM	DTC P0138 in Engine Controls - 3.4L or DTC P0138 in Engine Controls - 3.8L (L36 and L67)
P0140	HO2S Circuit Insufficient Activity Bank 1 Sensor 2	PCM	DTC P0140 in Engine Controls - 3.4L or DTC P0140 in Engine Controls - 3.8L (L36 and L67)
P0141	HO2S Heater Performance Bank 1 Sensor 2	PCM	DTC P0141 in Engine Controls - 3.4L or DTC P0141 in Engine Controls - 3.8L (L36 and L67)
P0171	Fuel Trim System Lean Bank 1	PCM	DTC P0171 in Engine Controls - 3.4L or DTC P0171 in Engine Controls - 3.8L (L36 and L67)
P0172	Fuel Trim System Rich Bank 1	PCM	DTC P0172 in Engine Controls - 3.4L or DTC P0172 in Engine Controls - 3.8L (L36 and L67)
P0201	Injector 1 Control Circuit	PCM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L or DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)
P0202	Injector 2 Control Circuit	PCM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L or DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)
P0203	Injector 3 Control Circuit	PCM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L or DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)
P0204	Injector 4 Control Circuit	PCM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L or DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)
P0205	Injector 5 Control Circuit	PCM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L or DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)
P0206	Injector 6 Control Circuit	PCM	DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L or DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)
P0218	Transmission Fluid Overtemperature	PCM	DTC P0218 in Automatic Transaxle - 4T65-E
P0230	Fuel Pump Relay Control Circuit	PCM	DTC P0230 in Engine Controls - 3.4L or DTC P0230 in Engine Controls - 3.8L (L36 and L67)
P0243	Supercharger Boost Solenoid Control Circuit	PCM	DTC P0243 in Engine Controls - 3.8L (L36 and L67)
P0300	Engine Misfire Detected	PCM	DTC P0300 in Engine Controls - 3.4L or DTC P0300 in Engine Controls - 3.8L (L36 and L67)
P0315	Crankshaft Position (CKP) System Variation Not Learned	PCM	DTC P0315 in Engine Controls - 3.4L or DTC P0315 in Engine Controls - 3.8L (L36 and L67)
P0325	Knock Sensor (KS) Module Performance	PCM	DTC P0325 in Engine Controls - 3.4L or DTC P0325 in Engine Controls - 3.8L (L36 and L67)
P0327	Knock Sensor (KS) Circuit	PCM	DTC P0327 in Engine Controls - 3.4L
P0327	Knock Sensor (KS) Circuit Bank 1	PCM	DTC P0327 or P0332 in Engine Controls - 3.8L (L36 and L67)
P0332	Knock Sensor (KS) Circuit Bank 2	PCM	DTC P0327 or P0332 in Engine Controls - 3.8L (L36 and L67)
P0335	Crankshaft Position (CKP) Sensor A Circuit	PCM	DTC P0335 in Engine Controls - 3.4L or DTC P0335 in Engine Controls - 3.8L (L36 and L67)
P0336	Crankshaft Position (CKP) Sensor A Performance	PCM	DTC P0336 in Engine Controls - 3.4L or DTC P0336 in Engine Controls - 3.8L (L36 and L67)
P0340	Camshaft Position (CMP) Sensor Circuit	PCM	DTC P0340 in Engine Controls - 3.4L or DTC P0340 in Engine Controls - 3.8L (L36 and L67)
P0341	Camshaft Position (CMP) Sensor Performance	PCM	DTC P0341 in Engine Controls - 3.4L or DTC P0341 in Engine Controls - 3.8L (L36 and L67)
P0350	Ignition Coil Control Circuit	PCM	DTC P0350 in Engine Controls - 3.4L or DTC P0350 in Engine Controls - 3.8L (L36 and L67)
P0385	Crankshaft Position (CKP) Sensor B Circuit	PCM	DTC P0385 in Engine Controls - 3.4L or DTC P0385 in Engine Controls - 3.8L (L36 and L67)
P0386	Crankshaft Position (CKP) Sensor B Performance	PCM	DTC P0386 in Engine Controls - 3.4L or DTC P0386 in Engine Controls - 3.8L (L36 and L67)
P0401	Exhaust Gas Recirculation (EGR) Flow Insufficient	PCM	DTC P0401 in Engine Controls - 3.4L or DTC P0401 in Engine Controls - 3.8L (L36 and L67)
P0403	Exhaust Gas Recirculation (EGR) Solenoid Control Circuit	PCM	DTC P0403 in Engine Controls - 3.4L or DTC P0403 in Engine Controls - 3.8L (L36 and L67)
P0404	Exhaust Gas Recirculation (EGR) Open Position Performance	PCM	DTC P0404 in Engine Controls - 3.4L or DTC P0404 in Engine Controls - 3.8L (L36 and L67)
P0405	Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage	PCM	DTC P0405 in Engine Controls - 3.4L or DTC P0405 in Engine Controls - 3.8L (L36 and L67)
P0406	Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage	PCM	DTC P0406 in Engine Controls - 3.4L or DTC P0406 in Engine Controls - 3.8L (L36 and L67)
P0420	Catalyst System Low Efficiency Bank 1	PCM	DTC P0420 in Engine Controls - 3.4L or DTC P0420 in Engine Controls - 3.8L (L36 and L67)
P0442	Evaporative Emission (EVAP) System Small Leak Detected	PCM	DTC P0442 in Engine Controls - 3.4L or DTC P0442 in Engine Controls - 3.8L (L36 and L67)
P0443	Evaporative Emission (EVAP) Purge Solenoid Control Circuit	PCM	DTC P0443 in Engine Controls - 3.4L or DTC P0443 in Engine Controls - 3.8L (L36 and L67)
P0446	Evaporative Emission (EVAP) Vent System Performance	PCM	DTC P0446 in Engine Controls - 3.4L or DTC P0446 in Engine Controls - 3.8L (L36 and L67)
P0449	Evaporative Emission (EVAP) Vent Solenoid Control Circuit	PCM	DTC P0449 in Engine Controls - 3.4L or DTC P0449 in Engine Controls - 3.8L (L36 and L67)
P0452	Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage	PCM	DTC P0452 in Engine Controls - 3.4L or DTC P0452 in Engine Controls - 3.8L (L36 and L67)
P0453	Fuel Tank Pressure (FTP) Sensor Circuit High Voltage	PCM	DTC P0453 in Engine Controls - 3.4L or DTC P0453 in Engine Controls - 3.8L (L36 and L67)
P0455	Evaporative Emission (EVAP) System Large Leak Detected	PCM	DTC P0455 in Engine Controls - 3.4L or DTC P0455 in Engine Controls - 3.8L (L36 and L67)
P0462	Fuel Level Sensor Circuit Low Voltage	PCM	DTC P0462 in Instrument Panel, Gages, and Console
P0463	Fuel Level Sensor Circuit High Voltage	PCM	DTC P0463 in Instrument Panel, Gages, and Console
P0480	Cooling Fan Relay 1 Control Circuit	PCM	DTC P0480 or P0481 in Engine Cooling
P0481	Cooling Fan Relay 2 Control Circuit	PCM	DTC P0480 or P0481 in Engine Cooling
P0496	Evaporative Emission (EVAP) System Flow During Non-Purge	PCM	DTC P0496 in Engine Controls - 3.4L or DTC P0496 in Engine Controls - 3.8L (L36 and L67)
P0502	Vehicle Speed Sensor (VSS) Circuit Low Voltage	PCM	DTC P0502 in Automatic Transaxle - 4T65-E
P0503	Vehicle Speed Sensor (VSS) Circuit Intermittent	PCM	DTC P0503 in Automatic Transaxle - 4T65-E
P0506	Idle Speed Low	PCM	DTC P0506 in Engine Controls - 3.4L or DTC P0506 in Engine Controls - 3.8L (L36 and L67)
P0507	Idle Speed High	PCM	DTC P0507 in Engine Controls - 3.4L or DTC P0507 in Engine Controls - 3.8L (L36 and L67)
P0520	Engine Oil Pressure (EOP) Sensor Circuit	PCM	DTC P0520 in Instrument Panel, Gages, and Console
P0530	Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit	PCM	DTC P0530 in HVAC Systems - Manual
P0560	System Voltage	PCM	DTC P0560 in Engine Electrical
P0601	Control Module Read Only Memory (ROM)	PCM	DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.4L or DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.8L (L36 and L67)
P0602	Control Module Not Programmed	PCM	DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.4L or DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.8L (L36 and L67)
P0620	Generator Performance	PCM	DTC P0620 in Engine Electrical
P0641	5-Volt Reference 1 Circuit	PCM	DTC P0641 in Engine Controls - 3.4L or DTC P0641 in Engine Controls - 3.8L (L36 and L67)
P0645	Air Conditioning (A/C) Clutch Relay Control Circuit	PCM	DTC P0645 in HVAC Systems - Manual
P0650	Malfunction Indicator Lamp (MIL) Control Circuit	PCM	DTC P0650 in Engine Controls - 3.4L or DTC P0650 in Engine Controls - 3.8L (L36 and L67)
P0651	5-Volt Reference 2 Circuit	PCM	DTC P0651 in Engine Controls - 3.4L or DTC P0651 in Engine Controls - 3.8L (L36 and L67)
P0711	Transmission Fluid Temperature (TFT) Sensor Performance	PCM	DTC P0711 in Automatic Transaxle - 4T65-E
P0712	Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage	PCM	DTC P0712 in Automatic Transaxle - 4T65-E
P0713	Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage	PCM	DTC P0713 in Automatic Transaxle - 4T65-E
P0716	Input Speed Sensor Performance	PCM	DTC P0716 in Automatic Transaxle - 4T65-E
P0717	Input Speed Sensor Circuit Low Voltage	PCM	DTC P0717 in Automatic Transaxle - 4T65-E
P0719	Brake Switch Circuit Low Voltage	PCM	DTC P0719 in Automatic Transaxle - 4T65-E
P0724	Brake Switch Circuit High Voltage	PCM	DTC P0724 in Automatic Transaxle - 4T65-E
P0741	Torque Converter Clutch (TCC) System - Stuck Off	PCM	DTC P0741 in Automatic Transaxle - 4T65-E
P0742	Torque Converter Clutch (TCC) System - Stuck On	PCM	DTC P0742 in Automatic Transaxle - 4T65-E
P0748	Pressure Control (PC) Solenoid Control Circuit	PCM	DTC P0748 in Automatic Transaxle - 4T65-E
P0751	1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear	PCM	DTC P0751 in Automatic Transaxle - 4T65-E
P0752	1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear	PCM	DTC P0752 in Automatic Transaxle - 4T65-E
P0753	1-2 Shift Solenoid (SS) Control Circuit	PCM	DTC P0753 in Automatic Transaxle - 4T65-E
P0756	2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear	PCM	DTC P0756 in Automatic Transaxle - 4T65-E
P0757	2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear	PCM	DTC P0757 in Automatic Transaxle - 4T65-E
P0758	2-3 Shift Solenoid (SS) Control Circuit	PCM	DTC P0758 in Automatic Transaxle - 4T65-E
P0856	Traction Control Torque Request Circuit	EBCM	DTC C1277 or P0856 in Antilock Brake System
P1106	Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage	PCM	DTC P1106 in Engine Controls - 3.4L or DTC P1106 in Engine Controls - 3.8L (L36 and L67)
P1107	Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage	PCM	DTC P1107 in Engine Controls - 3.4L or DTC P1107 in Engine Controls - 3.8L (L36 and L67)
P1111	Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage	PCM	DTC P1111 in Engine Controls - 3.4L or DTC P1111 in Engine Controls - 3.8L (L36 and L67)
P1112	Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage	PCM	DTC P1112 in Engine Controls - 3.4L or DTC P1112 in Engine Controls - 3.8L (L36 and L67)
P1114	Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage	PCM	DTC P1114 in Engine Controls - 3.4L or DTC P1114 in Engine Controls - 3.8L (L36 and L67)
P1115	Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage	PCM	DTC P1115 in Engine Controls - 3.4L or DTC P1115 in Engine Controls - 3.8L (L36 and L67)
P1121	Throttle Position (TP) Sensor Circuit Intermittent High Voltage	PCM	DTC P1121 in Engine Controls - 3.4L or DTC P1121 in Engine Controls - 3.8L (L36 and L67)
P1122	Throttle Position (TP) Sensor Circuit Intermittent Low Voltage	PCM	DTC P1122 in Engine Controls - 3.4L or DTC P1122 in Engine Controls - 3.8L (L36 and L67)
P1133	HO2S Insufficient Switching Bank 1 Sensor 1	PCM	DTC P1133 in Engine Controls - 3.4L or DTC P1133 in Engine Controls - 3.8L (L36 and L67)
P1134	HO2S Transition Time Ratio Bank 1 Sensor 1	PCM	DTC P1134 in Engine Controls - 3.4L or DTC P1134 in Engine Controls - 3.8L (L36 and L67)
P1350	Ignition Bypass Circuit	PCM	DTC P1350 in Engine Controls - 3.4L or DTC P1350 in Engine Controls - 3.8L (L36 and L67)
P1404	Exhaust Gas Recirculation (EGR) Closed Position Performance	PCM	DTC P1404 in Engine Controls - 3.4L or DTC P1404 in Engine Controls - 3.8L (L36 and L67)
P1554	Cruise Control Feedback Circuit	PCM	DTC P1554 in Cruise Control
P1585	Cruise Control Inhibit Output Circuit	PCM	DTC P1585 in Cruise Control
P1626	Theft Deterrent Fuel Enable Signal Lost	PCM	DTC P1626 in Theft Deterrent
P1629	Theft Deterrent Fuel Enable Signal Not Received	PCM	DTC P1629 in Theft Deterrent
P1630	Theft Deterrent Learn Mode Active	PCM	DTC P1630 in Theft Deterrent
P1631	Theft Deterrent Fuel Enable Signal Not Correct	PCM	DTC P1631 in Theft Deterrent
P1640	Control Module Output A Circuit	PCM	DTC P1640 in Engine Controls - 3.4L or DTC P1640 in Engine Controls - 3.8L (L36 and L67)
P1644	Traction Control Delivered Torque Output Circuit	PCM	DTC C1276, P1644, or P1689 in Antilock Brake System
P1650	Control Module Output B Circuit	PCM	DTC P1650 in Engine Controls - 3.4L or DTC P1650 in Engine Controls - 3.8L (L36 and L67)
P1660	Control Module Output C Circuit	PCM	DTC P1660 in Engine Controls - 3.4L or DTC P1660 in Engine Controls - 3.8L (L36 and L67)
P1670	Control Module Output D Circuit	PCM	DTC P1670 in Engine Controls - 3.4L or DTC P1670 in Engine Controls - 3.8L (L36 and L67)
P1689	Traction Control Delivered Torque Output Circuit	EBCM	DTC C1276, P1644, or P1689 in Antilock Brake System
P1811	Maximum Adapt and Long Shift	PCM	DTC P1811 in Automatic Transaxle - 4T65-E
P1819	Internal Mode Switch - No Start/Wrong Range	PCM	DTC P1819 in Automatic Transaxle - 4T65-E
P1820	Internal Mode Switch A Circuit Low Voltage	PCM	DTC P1820 in Automatic Transaxle - 4T65-E
P1822	Internal Mode Switch B Circuit High Voltage	PCM	DTC P1822 in Automatic Transaxle - 4T65-E
P1823	Internal Mode Switch P Circuit Low Voltage	PCM	DTC P1823 in Automatic Transaxle - 4T65-E
P1825	Internal Mode Switch - Invalid Range	PCM	DTC P1825 in Automatic Transaxle - 4T65-E
P1826	Internal Mode Switch C Circuit High Voltage	PCM	DTC P1826 in Automatic Transaxle - 4T65-E
P1887	Torque Converter Clutch (TCC) Release Switch Circuit	PCM	DTC P1887 in Automatic Transaxle - 4T65-E
P2610	Control Module Ignition Off Timer Performance	PCM	DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.4L or DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.8L (L36 and L67)
P2761	Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit	PCM	DTC P2761 in Automatic Transaxle - 4T65-E
P2A00	HO2S Circuit Closed Loop (CL) Performance Bank 1 Sensor 1	PCM	DTC P2A00 in Engine Controls - 3.4L or DTC P2A00 in Engine Controls - 3.8L (L36 and L67)
P2A01	HO2S Circuit Closed Loop (CL) Performance Bank 1 Sensor 2	PCM	DTC P2A01 in Engine Controls - 3.4L or DTC P2A01 in Engine Controls - 3.8L (L36 and L67)
U1000	Class 2 Data Link Malfunction	BCM, DIC, IPC, Radio, OnStar® VCIM, SDM	DTC U1000 and U1255 in Computer/Integrating Systems
U1016	Lost Communications With PCM	BCM, DIC, EBCM, IPC, OnStar® VCIM, SDM	DTC U1001-U1254 in Computer/Integrating Systems
U1040	Lost Communications With Electronic Brake Control Module (EBCM)	BCM, DIC, IPC, PCM, SDM	DTC U1001-U1254 in Computer/Integrating Systems
U1064	Lost Communications With Body Control Module (BCM)	DIC, IPC, Radio, PCM, SDM, OnStar® VCIM	DTC U1001-U1254 in Computer/Integrating Systems
U1088	Lost Communications With Sensing and Diagnostic Module (SDM)	IPC, OnStar® VCIM	DTC U1001-U1254 in Computer/Integrating Systems
U1096	Lost Communications With Instrument Panel Cluster (IPC)	DIC, OnStar® VCIM, SDM	DTC U1001-U1254 in Computer/Integrating Systems
U1128	Lost Communications With Radio	OnStar® VCIM	DTC U1001-U1254 in Computer/Integrating Systems
U1255	Lost Communications	BCM, DIC, IPC, Radio, OnStar® VCIM, SDM	DTC U1000 and U1255 in Computer/Integrating Systems
U1300	Class 2 Data Link Low	BCM, DIC, EBCM, OnStar® VCIM, PCM, Radio, SDM,	DTC U1300, U1301, or U1305 in Computer/Integrating Systems
U1301	Class 2 Data Link High	BCM, DIC, EBCM, OnStar® VCIM, PCM, Radio, SDM,	DTC U1300, U1301, or U1305 in Computer/Integrating Systems
U1305	Class 2 Data Link Low or High	BCM, DIC, EBCM, OnStar® VCIM, PCM, Radio, SDM,	DTC U1300, U1301, or U1305 in Computer/Integrating Systems
U1500	Inter-device Dedicated Bus Malfunction	OnStar® VCIM	DTC U1500 in Cellular Communication