Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 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 |
|---|---|---|---|---|
| Cooling Fan Relay 1 Control Circuit for the Fan LO Relay | P0480 | P0480 | P0480 | - |
| FAN LO Relay Coil Voltage Supply Circuit | P0480 | P0480 | P0480 | - |
| Cooling Fan Relay 2 and 3 Control Circuit for the Fan CNTRL and FAN HI Relays | P0481 | P0481 | P0481 | - |
| CNTRL FAN and FAN HI Relays Coil Voltage Supply Circuit | P0481 | P0481 | P0481 | - |