Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1409 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Diagnostic Code Index
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION 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 |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.