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Home >> Jeep >> 2019 >> Compass Trailhawk >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.4L - DTCS B104D To P0171 >> DTC Troubleshooting >> P0141-O2 Sensor 1/2 Heater Performance >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE O2 SENSOR 1/2 HEATER CONTROL CIRCUIT
HIGH RESISTANCE IN THE O2 SENSOR 1/2 GROUND CIRCUIT
OXYGEN SENSOR 1/2
POWERTRAIN CONTROL MODULE (PCM)

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

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