Circuit/System Verification
- 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.