Circuit/System Testing
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Observe the scantool for any other DTCs.
- If DTC P0560 is also set, refer to DTC P0560 to repair the charging system.
- Observe the Observe the Output Driver Status with a scantool.
- If any parameter does NOT indicate OK, test for a short to voltage on the control circuit of the component that indicated a fault.
- If all circuits test OK replace the PCM.