What does code P2A58 mean?

DTC codes / P2Axx · Hybrid propulsion / P2A58

P2A58Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit High

P2A58 indicates that the powertrain control module (PCM) has detected an abnormally high voltage on the signal circuit of the outlet temperature sensor for the alternative fuel vaporizer, designated as vaporizer B. This high voltage reading typically corresponds to a sensor circuit that is open, shorted to a voltage source, or a sensor that has failed in a way that produces an excessive signal.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.