All Things Mk5 > How to Guides / Troubleshooting

Number plate LED flickering.

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Cossie Killer:

--- Quote from: paulw123 on January 15, 2015, 10:23:08 am ---Does the canbus check for faulty interior bulbs, as well as exterior?

--- End quote ---

Is this what causes the footwell and reverse light to blink on start up?!

paulw123:
well I'm guessing it is the canbus checking if the bulb has blown, by sending a small current and measuring the resistance, the small test pulse is enough to make the led flicker, after so many test pulses it gives up and switches the circuit off, and displays bulb out on dash. Hopefully someone will come along who actually knows..

AndyBrown:
Mines only when I lock the car, when I'm unlocking it's fine.

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