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Home › Jeep › 2021 › Grand Cherokee SRT › Repair and Diagnosis › Engine Performance › System › 6.4L - DTCS C053D To P0175 › DTC Troubleshooting › P0155-O2 Sensor 2/1 Heater Performance › Set Condition

Set Condition

No O2 Sensor output is received when the Powertrain Control Module (PCM) powers up the sensor heater.