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 notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.
The reprinting, distribution, reproduction, exploitation in any form and 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, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.
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