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Home >> Dodge and Ram >> 2018 >> Durango Pursuit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (3.6L - DTCS P0117 To P0340) >> DTC Troubleshooting >> P0157-O2 Sensor 2/2 Circuit Low >> Possible Causes

Possible Causes

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Possible Causes
O2 SENSOR 2/2 SIGNAL CIRCUIT SHORTED TO GROUND
O2 SENSOR 2/2 SIGNAL CIRCUIT SHORTED TO THE O2 SENSOR 2/2 HEATER GROUND CIRCUIT
O2 SENSOR 2/2
POWERTRAIN CONTROL MODULE (PCM)

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