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Home >> Jeep >> 2016 >> Renegade Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS P1043 To P2128 >> DTC Troubleshooting >> P1609-Internal Control Module Engine Oil Temperature Performance >> Possible Causes
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Possible Causes

Possible Causes
ECT SENSOR, WIRING, OR CONNECTORS
MAP SENSOR, WIRING, OR CONNECTORS
FUEL DELIVERY SYSTEM
ENGINE MECHANICAL SYSTEM
IGNITION SYSTEM
POWERTRAIN CONTROL MODULE (PCM)

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