GM Service Manual Online
For 1990-2009 cars only

DTC and Description

DTC B0603 BCM Internal Memory Malfunction

DTC B2805 RFA Programming Message Not Received

DTC B0603 BCM Internal Memory Malfunction

DTC B0605 BCM Internal Memory Malfunction

DTC B1015 VIN Information Error

DTC B0807 Door Lock Battery Feed Circuit Open

DTC B0812 Courtesy Lights Battery Feed CKT Open

DTC B0823 Door Lock Actuator Ground Feed CKT Open

DTC B0702 RAP Relay Circuit Shorted to GND or Open

DTC B1478 RAP Relay Circuit Shorted to B+

DTC B1802 Courtesy Lights CKT Shorted to Ground

DTC B0608 BCM Power Moding Error

DTC B2552 Backup Lamps Control Circuit Low

DTC B2553 Backup Lamps Control Circuit High

DTC B0828 Theater Dimming Ground Circuit Open

DTC B2417 DRL Circuit Open or Shorted to Ground

DTC B2418 DRL Circuit Shorted to B+

DTC B2452 Theater Dimming 1 Open or Shorted to GND

DTC B2453 Theater Dimming 1 Shorted to B+

DTC B2458 Theater Dimming 2 Shorted to B+

DTC B2747 Performance Shift Switch CKT Short/GND

DTC B2528 Horn Relay Circuit

DTC B2818 Low Tire Pressure System Reset CKT Low

DTC B2957 PASS-Key Data Shorted to Ground

DTC B2958 PASS-Key Data Open/Shorted to Battery

DTC B2721 PASS-Key Detection Circuit

DTC B2739 Key In Ignition Fault

DTC B3031 PASS-Key Controller in Learn Mode

DTC B2802 RFA Link Circuit Shorted to Ground

DTC B2803 RFA Link Circuit Shorted to B+

DTC B2806 RFA Link Parity Error

DTC B2202 Driver Door Lock CKT Open/Shorted to GND

DTC B2203 Driver Door Unlock CKT Shorted to B+

DTC B3267 Decklid Output Relay Short to GND/Open

DTC B3268 Decklid Output Relay Short to BATT

DTC U1016 PCM Class 2 Serial Data Line Fault

DTC U1255 Serial Data Line Malfunction

DTC U1300 Class 2 Short to Ground