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Home › Jeep › 2015 › Compass Limited, AWD, Automatic Trans › Repair and Diagnosis › External Pages › Different car › Section 63 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission) › DTC Troubleshooting › P0602-Control Module Programming Error/Not Programmed › Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
PCM - PROGRAMMING ERROR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  

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