In the above vehicles, "software failure" may be the cause that the air conditioning works only in manual mode. The display will then often show an incomprehensible error message (M1 - M5).
This can be remedied by a software update.
The vehicle manufacturer has already been using the modified software at the factory starting from the following VINs:
W0L0AHL4882160266 - (Bochum plant)
W0L0AHL0885117742 - (Antwerp plant)
W0L0AHL4888096223 - (Ellesmere Port plant)
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.
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