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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.
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