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Home › Chrysler › 2023 › 300 C › Repair and Diagnosis › Engine Performance › System › 6.4L - DTCS C053D To P0122 › DTC Troubleshooting › P0057 O2 Sensor 2/2 Heater Circuit Low › When Monitored

When Monitored

Battery voltage between 10.5 and 15.75 volts.
The O2 Sensor Heater is commanded on.
The O2 Sensor Heater circuit high fault is not active.