XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Control Module: Description and Operation
Downloading Software and Replacing the Control Module
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. For further information regarding downloading, see Design and Function, Downloading Software.