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Home >> Dodge and Ram >> 2017 >> Challenger SRT Hellcat, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> 6.2L - DTCS P0685 To P1E0A >> DTC Troubleshooting >> P112C-O2 Sensor 2/1 Pumping Undercurrent >> Possible Causes

Possible Causes

Possible Causes
FAULTY O2 SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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

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