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Home >> Jeep >> 2016 >> Renegade Limited, FWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P2135 To U1504 >> DTC Troubleshooting >> P2251-O2 Sensor 1/1 Negative Current Control Circuit/Open >> Possible Causes

Possible Causes

Possible Causes
O2 SENSOR 1/1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
O2 SENSOR 1/1
POWERTRAIN CONTROL MODULE (PCM)

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

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