What does code P2A70 mean?

DTC codes / P2Axx · Hybrid propulsion / P2A70

P2A70Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit

P2A70 indicates that the powertrain control module (PCM) has detected an electrical fault in the control circuit for the hydraulic fuel pump select valve, which is used on alternative-fuel vehicles to switch between fuel sources. The PCM monitors the circuit for expected voltage or current and sets this code when the signal is out of range, indicating an open, short, or component failure.

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.