Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L (GPEC 2A) - DTCS P000C To P0117 >> DTC Troubleshooting >> P0037-O2-Sensor 1/2 Heater Circuit Low >> Default Action