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Error code U0199, 00, 2A (Lost Communication With "Door Control Module A")

14K views 11 replies 5 participants last post by  C.M  
#1 ·
Hi all

My car suddenly gives out this DTC, what exactly does it mean?

Thanks!
 
#5 · (Edited by Moderator)
Could that be the issue? Because yes, the controls and the windows sometimes "lags" a little bit when they are going up and down, but I have just ignored it.
It is like that the circuit breaks on/off when the buttons is pressed, and therefore, the window "lags".

But I guess it isn't the controls itself, but the module in the door or similar?
 
#9 ·
My rear pax door module failed on my 8 week old titanium X and was replaced. The symptoms were initially a reference to a child door lock warning in the converse and the control switch on the door and the drivers door to that particular door only, wouldnt work. That was followed the next day by a totally flat battery. I dont know if there was a DTC generated.

You dont seem to be having the same symptoms so perhaps it isnt your door module, I'm afraid I am not an auto electrician so I dont know. I only mention my experience as your DTC refers to the door module which was apparently the problem with mine.
 
#11 ·
Thank you for the answers. I haven't done any more about it, but I will get it fixed now, when the car is due for service.
I could also suspect that the switches for the power windows/mirrors could be the issue. The windows is lacking a bit when they are going up and down, it is like there is some "holes" in the power to them.

I will try to dissassemble and clean it with electronic cleaner, or replace it completely.
 
#12 ·
Finally resolved. The engine light had nothing to do with this error, the error is not "bad" enough to power on the engine light. It was (as mentioned in this thread), a bad wired connection in the door plug, one of the connections was almost broken which also made the windows have their own life, I re-soldered the wire and then all was running smooth again.