If the above problem is detected when driving, a defective headlamp control unit can be the underlying cause.
If the headlamps fail, proceed as follows:
Remedy:
Have the software for the headlamp module and BCM (body control module) updated in an authorized specialist garage.
The vehicle manufacturer has already addressed the issue and notified the owners of all the models concerned. For various reasons, however, it must be assumed that not all vehicles have been checked or rectified.
Important safety note
Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only.
Reprinting, distribution, reproduction, exploitation in any form or disclosure of the contents of this document, even in part, is prohibited without our express, written approval and indication of the source. The schematic illustrations, pictures and descriptions serve only for the purposes of explanation and representation of the instructions and cannot be used as a basis for installation or assembly work. All rights reserved.
Not helpful at all
Very helpful