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Home › Jeep › 2020 › Compass Trailhawk › Repair and Diagnosis › Engine Performance › System › 2.4L - DTCS P104D To P0140 › DTC Troubleshooting › P0038-O2 Sensor 1/2 Heater Circuit High › Set Condition

Set Condition

The Powertrain Control Module (PCM) detects an open (heater resistance 40.0 Ohms or more) in the Oxygen Sensor 1/2 heater control circuit for at least 2.16 seconds.