What does code P2A89 mean?

DTC codes / P2Axx · Hybrid propulsion / P2A89

P2A89Alternative Fuel Pump C Compression Stroke Valve Control Circuit Low

P2A89 indicates that the powertrain control module has detected an abnormally low voltage or current on the control circuit for the compression stroke valve of alternative fuel pump C. This circuit is responsible for actuating a valve that manages fuel flow during the compression stroke in an alternative fuel system, and a low condition means the circuit is likely shorted to ground or has excessive resistance.

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.