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Home >> Jeep >> 2020 >> Grand Cherokee Trackhawk >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 6.2L - DTCS P0600 To P1610 >> DTC Troubleshooting >> P112B-O2 Sensor 1/1 Pumping OVERCURRENT >> 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  . 

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