Diagnostic Test

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.
  - Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.
  No
  - Using the schematics as a guide, check the Transmission Control Module Assembly (TCMA) connector terminals for corrosion, damage or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCMA in accordance with the Service Information. Refer to VALVE BODY, REMOVAL .
  - Refer to STANDARD PROCEDURE and perform the TRANSMISSION VERIFICATION TEST.