What's the code p2646 Chevy Malibu 2015? - VehicleHistory
Jan 12, 2021 · The code P2646 in a Chevrolet Malibu typically indicates there is an issue with the arm actuator system, and that it is either stuck, or malfunctioning. The root cause of this could be due to the oil control valve, which can be found near the engine.
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