OBD-II Diagnostic Trouble Code
P2237
O2 Sensor 1/1 Pump Cell Current Circuit Open
P
Powertrain
engine / trans
engine / trans
2
Generic
SAE standard
SAE standard
2
Fuel & air metering (injector)
37
O2 Sensor 1/1 Pump Cell Current Circuit Open
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain