Audi A6/A8 - Warning in the instrument cluster | HELLA
Audi
A6/A8
Model year: from 2000
Warning in the instrument cluster
(defect in electronic chassis).
Following a visit to a garage, the hazard warning light for the electronic chassis (adaptive air suspension) may come on in the instrument cluster. The error message may occur if the vehicle was raised on the lifting platform for a longer period of time.
The read-out of the control unit displayed the following fault codes: 00805, 00806, 00807, 00808,
indicative of: suspension strut valve, short-circuit to plus; suspension strut valve, interruption; short-circuit to earth; for front left / front right / rear left / rear right.
Inspection revealed the occurrence of a defect in the control valves. It is entirely possible that the defect (overload) is associated with the lifting of the vehicle. Before the vehicle equipped with adaptive air suspension is raised, jacking mode (service mode) must be activated on the main menu. If it is not, the air suspension system attempts to counteract the lifting forces with automatic control actions. This may result in an overload of the control valves.
Proceed as follows to activate jacking mode (service mode):
Switch the ignition on, in the MMI (Multi Media Interface) press the ‘CAR’ function key. ‘Adaptive air suspension’ appears in the menu. Now activate jacking mode via the ‘SETUP’ function key (a yellow indicator lamp comes on in the instrument cluster).
Jacking mode can be deactivated either by a setting in the MMI (Multi Media Interface) or by driving at speed of >15km/h.
Adaptive air suspension
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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