Performing total upgrade on Volvo software | Vehicle Service Pros

Published 1 week ago• 2 minute read

This bulletin applies to 2019 Volvo XC90 T8 Momentum vehicles equipped with a 2.0L engine.

A DIM message “Parking brake not fully released” or “Auto hold service required” may be present in combination with BCM DTC B111177, BCM DTC B111167 or SRS DTC U2C8692. Perform a total upgrade (downloadable software update).

If DTC VDDM-U2D7792 is now present, manually order and download software P/N 32429456, then perform total upgrade. Verify that the warning message is no longer present and that th parking brake operates correctly.

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.