FixVault

Home › Jeep › 2019 › Cherokee Trailhawk, 2.0L Eng VIN N › Repair and Diagnosis › Engine Performance › System › 2.0L - DTCS P1DBD To P2302 › DTC Troubleshooting › P2237-O2 Sensor 1/1 Pump Cell Current Circuit/Open › Default Action

Default Action

MIL is illuminated on the second consecutive trip that the diagnostic fails.
The MIL will be turned off on the third consecutive trip that the diagnostic passes.