Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK IF THE TCM IS FLASHABLE NOTE: Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.
- With the scan tool, record the vehicles controller part number.
- Select Use Controller Part Number under the Flash Tab.
- Flash the controller with the correct software.
Were you able to update (flash) the controller successfully?
Yes
- Test Complete.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure
No
- Replace the TCM in accordance with the Service Information.
- Perform NAG1 TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure