FixVault
Home
›
Jeep
›
2021
›
Compass Trailhawk
›
Repair and Diagnosis
›
Engine Performance
›
System
›
2.4L - DTCS P1E08 To P2AF5
›
Diagnosis And Testing
›
P2237-O2 Sensor 1/1 Pump Cell Current Circuit/Open
›
Set Condition
Set Condition
The Powertrain Control Module (PCM) detects an open on the O2 Sensor Current Pump circuit.