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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P0653 To P2128 >> Diagnosis And Testing >> P1607-Pcm Internal Shutdown Timer Rationality >> Possible Causes

Possible Causes

Possible Causes
ENGINE COOLING CONDITIONS THAT MAY SET THIS DTC
ENGINE COOLANT LEVEL
PCM INTERNAL TIMER

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .