Transmission Control Module Programming and Setup (Allison)

Transmission Control Module Programming and Setup (Allison)

The following service procedures require a programming and a setup event be performed for a complete repair.


Transmission Control Module (TCM) Replacement

If the TCM is replaced, TCM Reprogramming must be performed. Refer to Service Programming System (SPS) (Programming and Relearning) .


TCM Reprogramming

If programming is required, perform the following procedure. Refer to Service Programming System (SPS) (Programming and Relearning) .


Ensure the following conditions exist in order to prepare for TCM programming or reprogramming:

* The battery is fully charged.
* The ignition switch is in the RUN position.
* Ensure that the TCM has the latest software version.
* The Techline equipment cable connection at the data link connector (DLC) is secure.
* Inspect the Techline equipment for the latest software version.


Program the TCM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.


If the TCM fails to program, proceed as follows:

* Ensure the TCM connection is good.
* Inspect the Techline equipment for the latest software version.
* Attempt to program the TCM. If the TCM still cannot be programmed properly, replace the TCM.



TCM Setup

Refer to FastLearn Procedure (Programming and Relearning) to complete repair.