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Home >> Dodge and Ram >> 2011 >> Durango R/T, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0141 To P0335 >> Diagnosis And Testing >> P0152-O2 Sensor 2/1 Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(K43) O2 2/1 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K902) O2 RETURN UPSTREAM CIRCUIT SHORTED TO VOLTAGE
(K43) O2 2/1 SIGNAL CIRCUIT OPEN
(K902) O2 RETURN UPSTREAM CIRCUIT OPEN
2/1 O2 SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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

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