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 Coil Ignition | P0480, P0481, P0482 | P0480, P0481, P0482 | - | - |
| Fan Low Relay Switch B+ | 1 | 2 | - | - |
| Fan Mid 1 Relay Switch B+ | 1 | 4 | - | - |
| Fan Mid 2 Relay Switch B+ | 5 | 6 | - | - |
| Fan HI Relay Switch B+ | 5 | 8 | - | - |
| Fan Control Relay Switch | 9 | 1 | 7 | - |
| Fan Low Relay Control | P0480 | P0480 | P0480 | - |
| Fan Mid 1 Relay Control | P0481 | 4 | P0481 | - |
| Fan Mid 2 Relay Control | P0481 | 6 | P0481 | - |
| Fan HI Relay Control | P0482 | P0482 | P0482 | - |
| Fan Control Relay Control | P0481 | 1 | P0481 | - |
| Fan Low Relay Controlled Output | 1 | 2 | 3 | - |
| Fan Mid 1 Relay Controlled Output | 1 | 4 | 3 | - |
| Fan Mid 2 Relay Controlled Output | 5 | 6 | 7 | - |
| Fan HI Relay Controlled Output | 5 | 8 | 7 | - |
| Fan Control Relay Controlled Output | 9 | 10 | 7 | - |
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