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Home >> Jeep >> 2023 >> Compass Red >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P032F To P0440 >> DTC Troubleshooting >> P042B-Catalyst Temperature Sensor Circuit Performance (Bank 1 Sensor 2) >> Possible Causes
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Possible Causes

Possible Causes
GPF TEMPERATURE SENSOR FUSED B+ OPEN/HIGH RESISTANCE
GPF TEMPERATURE SENSOR GROUND OPEN/HIGH RESISTANCE
GASOLINE PARTICULATE FILTER TEMPERATURE SENSOR MODULE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .