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 Voltage Supply Circuit | - | P0480, P0481 | - | - |
| Cooling Fan Relay 1 Control Circuit for the Fan LO Relay | P0480 | P0480 | P0480 | - |
| Cooling Fan Relay 2 and 3 Control Circuit for the Fan CNTRL and FAN HI Relays | P0481 | P0481 | P0481 | - |