Q5 2009 right DRL not working

[Bartlomiej]

There is no voltage to the headlight on pin 12, the blue-red cable.
it is probably a PWM led power supply.
Does anyone know where I can find the other end of this cable?
or what could be the reason for the lack of voltage in the right lamp

edit

The lights are powered by the CECM/bcm module.
Fault codes:
02895 - Supply Voltage for LED Module for DRL and Parking Light; Left
012 - Electrical Fault in Circuit

02897 - Supply Voltage for LED Module for DRL and Parking Light; Right
012 - Electrical Fault in Circuit

left drl works fine
did anyone have a similar problem?

if I do not find another solution, I will pull the power from the left to the right but I do not know if the higher load will be good for the bcm module

greetings

[spijun]

This was a common problem with the MY2009-2012 model, there is also a TSB to replace the control module for the DRL

[Bartlomiej]

thanks for showing interest
# 2020780/4 is for damaged drl module in lamp or led strip.
in my case, the voltage does not reach the headlight
can anyone tell me where the end of this wire is so that I can check the connection
https://ibb.co/pQQZXcd

[spijun]

As far as I remember the BMC automatically shuts off the voltage when a problem occurs in one of the modules

What you can try to replace the DRL modules, from the left to try to switch to the right

[Bartlomiej]

What you can try to replace the DRL modules, from the left to try to switch to the right

L module in L headlight works
R module in R headlight doesnt work

L module in R headlight doesn't work
R module in L headlight doesn't work

Drl module is different.
by the way, errors were deleted several times, with no effect.

[spijun]

L module in L headlight works
R module in R headlight doesnt work

L module in R headlight doesn't work
R module in L headlight doesn't work

Drl module is different.
by the way, errors were deleted several times, with no effect.

at this point, I exclude that the module does not release the current because vcds shows voltage output to both lamps.

I suspect a damaged cable.
where can I find the bcm module?

DRL is same , not is different, for left and right side S/N: 8R0907472B

BCM or body control module will be located under dashboard on the driver side towards the center of the vehicle
There are 3 different BMC modules, you need to know which one you have

[Bartlomiej]

the BCM is part burned
it's strange that it even worked

spijun thanks for your help

https://s9609.chomikuj.pl/ChomikImag...RBIzBOSnk&pv=2

[spijun]

the BCM is part burned
it's strange that it even worked

spijun thanks for your help

https://s9609.chomikuj.pl/ChomikImag...RBIzBOSnk&pv=2

I've never seen anything like it

It was as if water was dripping on this electronics

[Bartlomiej]

Yes its looks like flooding water

After replacing the bcm to another with the same numbers 8k0 907 063D from a4 b8, it shows an error:
02095 - Component Protection Active

the power steering and interior lighting do not work
coding and adaptation with vcds

what module should i buy

[spijun]

All Audi / VW modules have Component Protection, so they cannot be installed parts from stolen cars.
This can be done by the dealer or ...................


https://abrites.com/blog/when-life-g...ent-protection
https://www.audiworld.com/forums/q7-...3001060/page2/

Search on internet: CP removal