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Technicaldan
Technicaldan, Technician
Category: VW
Satisfied Customers: 110
Experience:  Accredited
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2005 Passat. One brake light. The opposite side panel light

Customer Question

2005 Passat.One brake light. The opposite side panel light and one license plate frame Light is out. We replaced all of the bulbs and they still don't work
Submitted: 10 months ago.
Category: VW
Expert:  Technicaldan replied 10 months ago.

Unfortunately on these cars it is not as simple as checking fuses and wiring, these lights are controlled by the on board power supply control unit, it is likely that if you have checked the bulbs, earths and connections that the control unit will need it's fault codes reading with suitable diagnostic equipment.

Have a read of this link for a better understanding of how the power control system works and why a garage code scanner is needed,

http://www.volkspage.net/technik/ssp/ssp/SSP_340_d2.pdf

Sorry there is no quick fix but I hope this helps you.