FixVault

Home › Dodge and Ram › 2024 › ProMaster 2500 Base › Repair and Diagnosis › Engine Performance › System › 3.6L - DTCS P0032 To P0073 › 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.