Ford Focus - problems regarding bi-xenon headlamps with dynamic cornering light

Data sheet
ManufacturerFord
Vehicle modelFocus MK3 (DYB)
Year of manufacture2010 - 2018
SymptomsVarious problems affecting bi-xenon headlamps with dynamic cornering light

Important safety information The 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.

Ford Focus MK3 - a broken cable in the headlamp can lead to various problems

With the above-mentioned vehicles, a broken cable in the headlamp can lead to various problems:

  • High beam does not switch on
  • Headlamp swivels back and forth and moves into error position
  • Headlamp cannot be adjusted
  • "Headlamp error message" in the instrument cluster
  • Error code in the error memory (e.g. B14D9)

Broken cables on the control boards in the headlamp are a possible cause. In order to remedy the situation, the headlamp can be removed and repaired. After removing the rear cover on the headlamp, there is a clear view of the internal wiring or circuit board (see picture). The circuit board moves with the headlamp unit when the dynamic cornering light function is in operation. This movement can break the cables at the board’s connector. So as to remedy this, it is possible to extend the cables, fit them with new contacts and replace the connector.

IMPORTANT

For better access to the circuit boards, the "xenon burner" should be removed during the repair.


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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; indication of the document source is also required. 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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