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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P0335 To P0430 >> DTC Troubleshooting >> P040B-Exhaust Gas RECIRCULATION Temperature Sensor 1 Circuit Performance >> Possible Causes

Possible Causes

Possible Causes
HIGH RESISTANCE IN THE EGR TEMPERATURE SENSOR SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR
POWERTRAIN CONTROL MODULE

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

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