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Diagnostic Code Index

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC B0997  B0997 00: Auxiliary Electronic Control Unit (ECU) 2 Performance
DTC B101D  B101D 36: ECU Hardware Performance EEPROM Failure
DTC B101E  B101E 42: ECU Software Performance Calibration Data Set Not Programmed
DTC B1020  B1020 00: Auxiliary Electronic Control Unit (ECU) 1 Performance
DTC B1024 (with Bose GMLAN Amplifier)  B1024 11: Circuit Board Temperature Sensor Above Maximum Threshold
DTC B1025-B1125  B1025 01: Audio Output 1 Left Front Circuit Short to Battery
B1025 02: Audio Output 1 Left Front Circuit Short to Ground
B1025 04: Audio Output 1 Left Front Circuit Open
B1035 01: Audio Output 2 Right Front Circuit Short to Battery
B1035 02: Audio Output 2 Right Front Circuit Short to Ground
B1035 04: Audio Output 2 Right Front Circuit Open
B1045 01: Audio Output 3 Left Rear Circuit Short to Battery
B1045 02: Audio Output 3 Left Rear Circuit Short to Ground
B1045 04: Audio Output 3 Left Rear Circuit Open
B1055 01: Audio Output 4 Right Rear Circuit Short to Battery
B1055 02: Audio Output 4 Right Rear Circuit Short to Ground
B1055 04: Audio Output 4 Right Rear Circuit Open
B1065 01: Audio Output 5 Circuit Short to Battery (Center IP)
B1065 02: Audio Output 5 Circuit Short to Ground (Center IP)
B1065 04: Audio Output 5 Circuit Open (Center IP)
B1075 01: Audio Output 6 Circuit Short to Battery (Subwoofer)
B1075 02: Audio Output 6 Circuit Short to Ground (Subwoofer)
B1085 01: Audio Output 7 Circuit Short to Battery (LR Shelf)
B1085 02: Audio Output 7 Circuit Short to Ground (LR Shelf)
B1085 04: Audio Output 7 Circuit Open (LR Shelf)
B1095 01: Audio Output 8 Circuit Short to Battery (RR Shelf)
B1095 02: Audio Output 8 Circuit Short to Ground (RR Shelf)
B1095 04: Audio Output 8 Circuit Open (RR Shelf)
B1105 01: Audio Output 9 Circuit Short to Battery (LF IP)
B1105 02: Audio Output 9 Circuit Short to Ground (LF IP)
B1105 04: Audio Output 9 Circuit Open (LF IP)
B1115 01: Audio Output 10 Circuit Short to Battery (RF IP)
B1115 02: Audio Output 10 Circuit Short to Battery (RF IP)
B1115 04: Audio Output 10 Circuit Open (RF IP)
DTC B125C or B125D  B125C 01: Satellite Antenna 1 Circuit Short to Battery
B125C 02: Satellite Antenna 1 Circuit Short to Ground
B125C 04: Satellite Antenna 1 Circuit Open Circuit
DTC B1265  B1265 02: Switched 14 Volt Performance Short to Ground
DTC B1271  B1271: Theft Locked
DTC B1278 or B1279  B1278 01: Auxiliary Input 1 Signal Circuit Short to Battery
B1278 02: Auxiliary Input 1 Signal Circuit Short to Ground
B1279 01: Auxiliary Input 2 Signal Circuit Short to Battery
B1279 02: Auxiliary Input 2 Signal Circuit Short to Ground
DTC B1283-B1286  B1283 00: Television Antenna 1 Performance
B1284 00: Television Antenna 2 Performance
B1285 00: Television Antenna 3 Performance
B1286 00: Television Antenna 4 Performance
DTC B1287  B1287 01: Amplifier Control Signal Circuit Short to Battery
B1287 02: Amplifier Control Signal Circuit Short to Ground
B1287 04: Amplifier Control Signal Circuit Open
DTC B2455  B2455 01: Cellular Phone Microphone Circuit Short to Battery
B2455 02: Cellular Phone Microphone Circuit Short to Ground
DTC B2462  B2462 02: Global Positioning System (GPS) Short to Ground
B2462 04: Global Positioning System (GPS) Open Circuit
DTC B2470  B2470 00: Cellular Phone Antenna Circuit Malfunction
DTC B2476 or B2482  B2476 00: Cellular Phone Select Service Switch Malfunction
B2482 00: Cellular Phone Select Service Switch Range/Performance
DTC B2483 or B2484  B2483 00: GPS Sensor Circuit Low
B2484 00: GPS Sensor Circuit Open