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.

CUSTOMER CONCERN Customer states DTC P0A92 began setting after the A/C compressor was replaced. CAUSE Inspection confirmed the hybrid drive-belt tensioner was damaged and could not maintain correct belt tension. CORRECTION Remove and replace hybrid drive-belt tensioner. Inspect and correctly install hybrid drive belt, clear DTC P0A92 and verify starter-generator operation.

CUSTOMER CONCERN Customer states the vehicle surges during acceleration and the drive belt chatters when the engine is revved. CAUSE Inspection confirmed a worn serpentine belt and worn belt tensioner that could not maintain correct belt control. CORRECTION Remove and replace serpentine belt and belt tensioner. Verify proper belt tracking and operation.