Volvo S40 - Stop light not functioning | HELLA


Volvo S40

Model year: up until 2004

Stop light not functioning

If the above-mentioned vehicle is found to have a functional failure of the stop light to the left/right, this may be caused by a defect in the central electronic control unit/module (CEM).

Repair notes

- Check light sources

- Check fuse 11B/13

- Possible malfunctioning plug connections (loose) and/or contact problems (corroded) could cause contact issues.

- Check switch function / relay function by means of the central electronic control unit/module (CEM).


- If necessary, replace the central electronic control unit/module (CEM).

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.