FixVault

Home › Jeep › 2025 › Compass Trailhawk › Repair and Diagnosis › Engine Performance › System › 2.0L - DTCS P0585 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 .