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DTC codes / P2Axx · Hybrid propulsion / P2A51

P2A51Alternative Fuel Vaporizer A Outlet Temperature Sensor Range/Performance

P2A51 indicates that the powertrain control module has detected an out-of-range or erratic signal from the outlet temperature sensor of the alternative fuel vaporizer, which is part of a gaseous fuel system such as compressed natural gas or liquefied petroleum gas. The computer compares the sensor's voltage or resistance against expected values for the current operating conditions and flags the circuit when the reading falls outside the calibrated window or fails a rationality check.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion
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