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Home >> Jeep >> 2022 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (3.0L Diesel - DTCS C0505-00 To P007D-00) >> DTC Troubleshooting >> P0031-00-O2-Sensor 1/1 Heater Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
O2 SENSOR 1/1 HEATER CONTROL CIRCUIT SHORT TO GROUND
FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR SHORTED TO GROUND
OXYGEN SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .