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Home >> Jeep >> 2007 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 42RLE Automatic Transmission - Electrical Diagnostics >> Automatic Transmission 42RLE - Electrical Diagnostics >> DTC Troubleshooting >> P0602-Control Module Programming Error/Not Programmed >> Possible Causes

Possible Causes

Possible Causes
PCM - PROGRAMMING ERROR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See 42RLE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .

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