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Home › Jeep › 2023 › Renegade Red › Repair and Diagnosis › Engine Performance › System › 1.3L - DTCS P0031 To P0113 › DTC Troubleshooting › P0037-O2-Sensor 1/2 Heater Circuit Low › Default Action

Default Action

The MIL will illuminate.
The PCM will disable the O2 Sensor Heater driver for the remainder of this ignition cycle.