If a customer complains about the above problem, this could be caused by defective stop light bulbs. When reading out the error code, a faulty stop light switch is indicated. After this is replaced, the problem persists and cannot be cleared. Therefore, the two stop light bulbs should be checked beforehand. If the two lamps are defective (not the LED bar in the boot lid), this is the probable cause of the problem. After replacing the lamps, the entry can usually be cleared from the fault memory. The two defective lamps cause a false signal to be sent from the stop light switch to the engine control unit. This then interprets the signal as a defective stop light switch.
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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