DTC codes / P2Axx · Hybrid propulsion / P2A5C
P2A5C indicates the powertrain control module has detected a low voltage signal from the outlet temperature sensor of the alternative fuel vaporizer designated as C. The sensor circuit is reporting a value below the expected range, which typically means the sensor is reading colder than physically possible or the circuit is shorted to ground.
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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