Diagnostic Code Index
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.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC P0480 or P0481 (without HP2) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relay 2 and 3 Control Circuit |
| DTC P0480, P0481, or P0482 (with HP2) | DTC P0480 Cooling Fan Relay 1 Control Circuit DTC P0481 Cooling Fan Relay 2 Control Circuit DTC P0482 Cooling Fan Relay 3 Control Circuit |
| DTC P1258 | DTC P1258 Engine Coolant Over temperature - Protection Mode Active |