What does code P2A9C mean?

Q: What does code P2A9C mean?

Alternative Fuel Tank Select Valve C Control Circuit High. P2A9C indicates that the powertrain control module (PCM) has detected a high-voltage condition on the control circuit for the alternative fuel tank select valve 'C'. This valve directs alternative fuel from a specific tank, and a high circuit voltage means the PCM sees an open circuit, a short to voltage, or a faulty valve coil that is not drawing the expected current.

DTC codes / P2Axx · Hybrid propulsion / P2A9C

P2A9CAlternative Fuel Tank Select Valve C Control Circuit High

P2A9C indicates that the powertrain control module (PCM) has detected a high-voltage condition on the control circuit for the alternative fuel tank select valve 'C'. This valve directs alternative fuel from a specific tank, and a high circuit voltage means the PCM sees an open circuit, a short to voltage, or a faulty valve coil that is not drawing the expected current.

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.