LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2009 >> 300 C, RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> P0602-Control Module Programming Error/Not Programmed >> Possible Causes
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Possible Causes

Possible Causes 
CONTROLLER NOT CODED
TRANSMISSION CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure  .