OBD-II Diagnostic Trouble Code
P0231
Fuel Pump Secondary Circuit Low
P
Powertrain
engine / trans
engine / trans
0
Generic
SAE standard
SAE standard
2
Fuel & air metering (injector)
31
Fuel Pump Secondary Circuit Low
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain