LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2011 >> 300 Base, Gas/Ethanol >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P1644-Incorrect Variant/Configuration >> Diagnostic Test
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.

Diagnostic Test

  1. PERFORM TCM REPLACEMENT PROCEDURE 
    NOTE:

    Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.

    1. With the scan tool, perform the TCM replacement procedure.

      Were you able to update the controller successfully?

      Yes 

      • Test Complete.
      • Refer to Standard Procedure  and perform NAG1 TRANSMISSION VERIFICATION TEST.

      No 

      • Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the TCM per the Service Information. Refer to MODULE, Transmission Control , Description .
      • Refer to Standard Procedure  and perform NAG1 TRANSMISSION VERIFICATION TEST.
scientia non olet · About LEMON Manuals