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Home >> Jeep >> 2023 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0562 To P061C >> DTC Troubleshooting >> P0602 Control Module Programming Error / Not Programmed Control >> Possible Causes

Possible Causes

Possible Causes
PCM INTERNAL FAILURE

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

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