FixVault

Home › Jeep › 2018 › Grand Cherokee Trackhawk › Repair and Diagnosis › Engine Performance › System › 6.2L - DTCS P000B To P0140 › DTC Troubleshooting › P0031-O2 Sensor 1/1 Heater Circuit Low › When Monitored

When Monitored

Continuously with the O2 Sensor heater commanded on.
Battery voltage between 10.5 and 15.75 volts.
DTC P0032 is not active.