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.
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HOMESERVICE MANUALSGMC2013SIERRA 3500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2013 GMC Sierra 3500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas
Diagnostic Code Index
2013 GMC Sierra 3500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0000 | DTC B0000 5A Vehicle Speed Information Circuit Plausibility Failure |
| DTC B1024 | DTC B1024 11 Circuit Board Temperature Sensor Above Maximum Threshold |
| DTC B1025, B1035, B1045, or B1055 | DTC B1025 01 Audio Output 1 Left Front Circuit Short to Battery DTC B1025 02 Audio Output 1 Left Front Circuit Short to Ground DTC B1035 01 Audio Output 2 Right Front Circuit Short to Battery DTC B1035 02 Audio Output 2 Right Front Circuit Short to Ground DTC B1045 01 Audio Output 3 Left Rear Circuit Short to Battery DTC B1045 02 Audio Output 3 Left Rear Circuit Short to Ground DTC B1055 01 Audio Output 4 Right Rear Circuit Short to Battery DTC B1055 02 Audio Output 4 Right Rear Circuit Short to Ground |
| DTC B1259 | DTC B1259 02 Antenna Ground Circuit Short to Ground DTC B1259 05 Antenna Ground Circuit Short to Battery or Open |
| DTC B125C | DTC B125C 02 Satellite Antenna 1 Circuit Short to Ground DTC B125C 04 Satellite Antenna 1 Circuit Open Circuit |
| DTC B1265 | DTC B1265 01 Switched 14 Volt Performance Short to Battery DTC B1265 02 Switched 14 Volt Performance Short to Ground |
| DTC B1271 | DTC B1271 00 Theft Protection Active |
| DTC B1287 | DTC B1287 01 Amplifier Control Signal Circuit Short to Battery DTC B1287 02 Amplifier Control Signal Circuit Short to Ground DTC B1287 04 Amplifier Control Signal Circuit Open |
| DTC B1288 | DTC B1288 01 Video Display Mode Control Signal Short to Battery DTC B1288 02 Video Display Mode Control Signal Short to Ground DTC B1288 04 Video Display Mode Control Signal Open Circuit |
| DTC B1289 | DTC B1289 01 Video Display Brightness Control Signal Short to Battery DTC B1289 02 Video Display Brightness Control Signal Short to Ground DTC B1289 04 Video Display Brightness Control Signal Open Circuit |
| DTC B1449 | DTC B1449 03 Remote Device Voltage Below Threshold DTC B1449 07 Remote Device Voltage Above Threshold |
| DTC B2455 | DTC B2455 02 Cellular Phone Microphone Circuit Short to Ground DTC B2455 04 Cellular Phone Microphone Circuit Open |
| DTC B2462 (Navigation Radio) | DTC B2462 02 Global Positioning System (GPS) Short to Ground DTC B2462 04 Global Positioning System (GPS) Open Circuit |
| DTC B2462 (Communication Interface Module) | DTC B2462 02 Global Positioning System (GPS) Signal Short to Ground DTC B2462 04 Global Positioning System (GPS) Signal Open Circuit |
| DTC B2470 | DTC B2470 02 Cellular Phone Antenna Circuit Malfunction Short to Ground DTC B2470 04 Cellular Phone Antenna Circuit Malfunction Open Circuit |
| DTC B2474 | DTC B2474 07 Navigation Display Head Backlighting Performance |
| DTC B2476 or B2482 | DTC B2476 04 Cellular Phone Select Service Switch Open DTC B2476 59 Cellular Phone Select Service Switch Protection Time-out DTC B2482 00 Cellular Phone Select Service Switch Range/Performance |
| DTC B2485 | DTC B2485 02 Wireless Communication Antenna Circuit Short to Ground DTC B2485 04 Wireless Communication Antenna Circuit Open Circuit |
RENDER: 1.0x
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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.