Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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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