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Home >> Jeep >> 2021 >> Cherokee High Altitude, Automatic T/Case Control >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.0L - DTCS P0452 To P060F >> DTC Troubleshooting >> P0602-Control Module Programming Error/Not Programmed >> 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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