Circuit/System Verification
WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
- Verify if DTC P0A3F, P0A40, P1B03, P0C52, P0C53, P0C5C, and P0C5D are not set.
- If DTC P0A3F, P0A40, P1B03, P0C52, P0C53, P0C5C, and P0C5D is set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If the DTC is set, program the generator control module. If the DTC resets, replace the K59 starter generator control module.