volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

A/T Controls - TCM Updates For Various Concerns/Issues|Page 7199 > < A/T Controls - TCM Updates For Various Concerns/Issues|Page 7197
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Control Module: Description and Operation

 

Downloading software and replacing the control module 

New software can be downloaded into the Transmission Control Module (TCM). When ordering software, the hardware and the software in the car is
compared to the data in the Volvo central database. If the comparison is OK the software is downloaded to the control module. If the comparison
between the car and Volvo central database is not OK, the database is updated with the car configuration. When this is complete the software is
downloaded.

A/T Controls - TCM Updates For Various Concerns/Issues|Page 7199 > < A/T Controls - TCM Updates For Various Concerns/Issues|Page 7197