What does code P2A8F mean?

Q: What does code P2A8F mean?

Alternative Fuel Pump B Performance. P2A8F indicates that the powertrain control module has detected a performance problem with the secondary or alternative fuel pump circuit, meaning the pump is not delivering the expected pressure or flow under commanded conditions. The computer monitors the pump's electrical circuit and fuel system response, and it sets this code when the actual fuel pressure or pump current does not match the desired value within a calibrated time window.

DTC codes / P2Axx · Hybrid propulsion / P2A8F

P2A8FAlternative Fuel Pump B Performance

P2A8F indicates that the powertrain control module has detected a performance problem with the secondary or alternative fuel pump circuit, meaning the pump is not delivering the expected pressure or flow under commanded conditions. The computer monitors the pump's electrical circuit and fuel system response, and it sets this code when the actual fuel pressure or pump current does not match the desired value within a calibrated time window.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

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.