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DTC codes / P2Axx · Hybrid propulsion / P2A82
P2A82 indicates that the powertrain control module has detected an abnormally high voltage on the control circuit for the compression stroke valve of alternative fuel pump A. This valve is used in some alternative fuel systems to manage pressure pulses, and a high voltage reading means the circuit is likely shorted to power, open, or the valve solenoid has failed.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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