CTS V6-3.2L VIN N (2003)
Control Module: Service and Repair
Transmission Control Module Programming Procedure
Transmission Control Module Programming Procedure
TCM Programming Procedures
1. The Transmission Control Module (TCM) must be programmed with the proper software/calibrations. Ensure that the following conditions exist
in order to prepare for TCM programming:
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The battery is fully charged.
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The ignition switch is in the RUN position.
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The Techline equipment cable connection at the Data Link Connector (DLC) is secure.
2. Program the TCM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.
3. If the TCM fails to program, proceed as follows:
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Ensure that the TCM connection is OK.
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Inspect the Techline equipment for the latest software version.
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Attempt to program the TCM. If the TCM still cannot be programmed properly, replace the TCM.
