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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2052 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Suburban C2500, 6.0 U
Diagnostic Code Index
2006 Chevrolet Suburban C2500, 6.0 USECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1023 | DTC B1023 00 Integral Switch Performance |
| DTC B2494 (Manual Liftgate) | DTC B2494 00 Liftgate Handle Switch Circuit |
| DTC B2495 | DTC B2495 01 Endgate/Liftgate Latch Control Circuit Short to Battery DTC B2495 02 Endgate/Liftgate Latch Control Circuit Short to Ground DTC B2495 04 Endgate/Liftgate Latch Control Circuit Open Circuit |
| DTC B3130 or B3135 | DTC B3130 00 All Door Unlock Circuit DTC B3135 00 All Door Lock Circuit |
| DTC B3265 | DTC B3265 00 Trunk/Hatch/Liftglass Release Output Circuit |
| DTC B396F | DTC B396F 06 Liftglass Ajar Output Signal Circuit Short to Ground or Open DTC B396F 0B Liftglass Ajar Output Signal Circuit Current Above Threshold |
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.