Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Charger and 2015 Dodge Charger. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IF TCM IS FLASHABLE
NOTE:
Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.
1. With the scan tool, record the vehicles controller part number.
2. Select Use Controller Part Number under the Flash Tab.
3. Flash the controller with the correct software.
  Were you able to update (flash) the controller successfully?
  
  Yes
  - Test Complete.
  - Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to NAG1 TRANSMISSION VERIFICATION TEST .
  No
  - Go To 2
CHECK IF POWERTRAIN CONTROL MODULE (PCM) IS UPDATED TO MOST CURRENT SOFTWARE/FLASH
1. With the scan tool, determine if Engine Controller (PCM) is updated to most current software flash.
  Is the PCM updated to the most current software?
  
  Yes
  - 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 in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL, DESCRIPTION .
  - Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to NAG1 TRANSMISSION VERIFICATION TEST .
  No
  - Update the PCM to latest software level.
  - With the scan tool, perform the TCM Initialize EGS routine.
  - Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to NAG1 TRANSMISSION VERIFICATION TEST .