LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2009 >> 300 LX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> P1644-Incorrect Variant/Configuration >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes 
CONTROLLER NOT CODED
TRANSMISSION CONTROL MODULE

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

scientia non olet · About LEMON Manuals