Diagnostic Fault Information
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Relay Switch B+ | 2 | 2 | - | - |
| Rear Defog Relay Control | B0283 02*, B0283 06** | B0283 05*, B0283 06** | B0283 05* | - |
| Rear Window Defogger Grid Control | 2 | 2 | 1 | - |
| Rear Defog Relay Ground | - | B0283 05*, B0283 06** | 2 | - |
| Rear Window Defogger Grid Ground | - | 2 | 2 | - |
| *Manual HVAC Control Module ** Automatic HVAC Control Module 1. Rear Defogger Always On 2. Rear Defogger Inoperative |
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