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.
Diagnostic Code Index
2006 Chevrolet Suburban C2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0000 | Vehicle Speed Information Circuit Plausibility Failure |
| DTC B1001 | Option Configuration Error |
| DTC B1024 (With Bose Amplifier) | Circuit Board Temperature Sensor Above Maximum Threshold |
| DTC B1025-B1095 | Audio Output Circuit |
| DTC B1259 | Antenna Ground Circuit Short/Open |
| DTC B1287 | Amplifier Control Signal Circuit Short/Open |
| DTC B1288 | Video Display Mode Control Signal Circuit Short/Open |
| DTC B1289 | Video Display Brightness Control Signal Circuit Short/Open |
| DTC B2455 | Cellular Phone Microphone Circuit Malfunction |
| DTC B2462 | Global Positioning System (GPS) Short/Open |
| DTC B2470 | Cellular Phone Antenna Circuit Malfunction |
| DTC B2474 | Navigation Display Head Backlighting Performance |
| DTC B2476 | Cellular Phone Select Service Switch Malfunction (3 button assembly) |
| DTC B2482 | Cellular Phone Select Switch Range/Performance |
| DTC B2483 or B2484 | GPS Sensor Circuit Low/Open |
RENDER: 1.0x
NO RELATED
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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.