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DTC codes / P2Axx · Hybrid propulsion / P2A85

P2A85Alternative Fuel Pump B Compression Stroke Valve Control Circuit Low

P2A85 indicates that the powertrain control module has detected a low-voltage condition on the control circuit for the compression stroke valve of alternative fuel pump B. The circuit is expected to carry a specific voltage when the valve is commanded, and the module sees a value below the acceptable threshold, which points to a short to ground, an open circuit, or a faulty valve actuator.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion
Running on fumes Free guides aren't free to make. Top up the tank. Any amount, one time. Fuel the Garage