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Home › Jeep › 2021 › Grand Cherokee L Laredo, AWD › Repair and Diagnosis › Engine Performance › System › 3.6L - DTCS P0037 To P0152 › Diagnosis And Testing › 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.