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volvo Workshop Repair Guides


XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)

Relays and Modules > Relays and Modules - Transmission and Drivetrain > Relays and Modules - A/T > Control Module, A/T > Component Information > Description and Operation > System Overview > Page 1105

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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.

Relays and Modules > Relays and Modules - Transmission and Drivetrain > Relays and Modules - A/T > Control Module, A/T > Component Information > Description and Operation > System Overview > Page 1105

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