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Home › Dodge and Ram › 2016 › ProMaster City Base › Repair and Diagnosis › Engine Performance › System › 2.4L - DTCS P0016 To P0501 › DTC Troubleshooting › P0031-O2 Sensor 1/1 Heater Circuit Low › Set Condition

Set Condition

The Powertrain Control Module (PCM) detects that the Oxygen Sensor 1/1 Heater Control circuit is shorted low (heater resistance less than 2 ohms) for at least 2.16 seconds.