Circuit/System Verification

WARNING: This page is about a different car, the 2013 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Verify that no other DTCs are set.
- If other DTCs are set, diagnose them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
Start the engine. The engine should start and run.
- If the engine fails to start, or stalls, diagnose the engine system. Refer to Engine Cranks But Does Not Run .
If the DTC is set, and the engine is running smoothly, program the K59 starter generator control module.
- If the DTC resets, replace the K59 starter generator control module.