Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 |
|---|---|---|---|---|
| Low Speed Cooling Fan Relay Control Circuit for Fan 1 Relay | P0480 | P0480 | P0480 | - |
| Fan 1 Relay Voltage Supply Circuit | P0480 | P0480 | P0480 | - |
| High Speed Cooling Fan Relay Control Circuit for Fan 3 Relay | P0481 | P0481 | P0481 | - |
| Fan 3 Relay Coil Voltage Supply Circuit | P0481 | P0481 | P0481 | - |
| High Speed Cooling Fan Relay Control Circuit for Fan 2 Relay | P0481 | P0481 | P0481 | - |
| Fan 2 Relay Voltage Supply Circuit | P0481 | P0481 | P0481 | - |