Circuit/System Testing
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.
- If drive belt noise was noticed on an AutoStart, refer to Drive Belt Tensioner Diagnosis .
- Inspect the drive belt for cracks, wear and contamination.
- If the belt is not OK, replace the drive belt.
- If the DTC resets, replace the A15 starter generator.