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Home › Jeep › 2020 › Compass Trailhawk › Repair and Diagnosis › Engine Performance › System › 2.4L - DTCS P104D To P0140 › DTC Troubleshooting › P0037-O2 Sensor 1/2 Heater Circuit Low › Set Condition

Set Condition

The PCM detects that the O2 Sensor heater circuit resistance is below approximately 2.0 Ohms.