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Home >> Dodge and Ram >> 2025 >> Durango GT Plus >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0157 To P0197 >> Diagnosis And Testing >> P0161 O2 Sensor 2/2 Heater Performance >> Possible Causes

Possible Causes

Possible Causes
O2 SENSOR 2/2 HEATER CONTROL CIRCUIT OPEN/HIGH RESISTANCE
O2 SENSOR 2/2 HEATER GROUND CIRCUIT OPEN/HIGH RESISTANCE
O2 SENSOR 2/2
POWERTRAIN CONTROL MODULE (PCM)

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

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