On the above mentioned vehicle it may occur that it is no longer possible to regulate the interior temperature.
Only cold or very hot air comes out of the ventilation outlets.
This fault can be caused by a so-called "software bug".
Modified software is available from the vehicle manufacturer to rectify the fault.
In addition, on the above mentioned vehicles it may occur that the pre-set temperature is not maintained continuously and the interior overheats. A software update can also rectify this fault.
Please take into account this information in relation to customer complaints, particularly in relation to unsatisfactory temperature regulation.
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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