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Home › Chrysler › 2018 › 300 C › Repair and Diagnosis › Engine Performance › System › 5.7L - DTCS P000B To P0197 › DTC Troubleshooting › P0038-O2-Sensor 1/2 Heater Circuit High › Set Condition

Set Condition

When the Powertrain Control Module (PCM) detects that the O2 Sensor 1/2 Heater circuit resistance is above approximately 35.0 Ohms.