top of page

2012 Buick LaCrosse Premium – Hybrid Codes P1A6F and P0A90
CUSTOMER CONCERN Hybrid-system DTCs P1A6F and P0A90 are stored. CAUSE Inspection found the drive motor-generator belt broken cleanly and the belt tensioner binding instead of pivoting smoothly. CORRECTION Remove and replace the drive motor-generator belt and failed belt tensioner using the specified service tools.
2007 Saturn Vue Green Line – Abrupt Stall With P0A92 P1A6F P2797
CUSTOMER CONCERN Customer states the engine abruptly stalls while driving. DTCs P0A92, P1A6F and P2797 are stored. CAUSE Auto-start testing and 36-volt three-phase circuit checks confirmed an internal Motor Generator Unit failure. CORRECTION Remove and replace Motor Generator Unit. Clear hybrid-system DTCs and verify auto-start operation.
bottom of page