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Home >> Jeep >> 2021 >> Cherokee Trailhawk >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS P1239 To P2115 >> DTC Troubleshooting >> P1609-Internal Control Module Engine Oil Temperature Performance >> Possible Causes

Possible Causes

Possible Causes
PCM SOFTWARE UPDATE
POWERTRAIN CONTROL MODULE (PCM)

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

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