In the above vehicles, incorrect coding of the electric system control unit may be the cause that the auxiliary battery is not charging.
To remedy this, the electric system control unit must be re-coded.
The vehicle manufacturer has already addressed the problem. Nevertheless, one may assume that for various reasons not all vehicles have been checked and repaired.
Please note this information in connection with complaints regarding an auxiliary battery that is not charging.
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.