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XC90 FWD L6-3.2L VIN 98 B6324S (2007)

Relays and Modules > Relays and Modules - Lighting and Horns > Headlamp Control Module > Component Information > Testing and Inspection > Reading and Clearing Diagnostic Trouble Codes > Page 1188

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Headlamp Control Module: Programming and Relearning

Downloading software and replacing the control module

New software can be downloaded to the headlight control module (HCM).
When ordering software the vehicle's hardware and software are compared with Volvo's central database. If the comparison is correct the software is
downloaded to the control module.
If the comparison between the car and Volvo's central database does not correspond, then the database is updated with the vehicle's 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 - Lighting and Horns > Headlamp Control Module > Component Information > Testing and Inspection > Reading and Clearing Diagnostic Trouble Codes > Page 1188

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