Keyless Access Faulty error, constant waring a bepping

Feb 25, 2024
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Hello all,

I've bought a second hand Leon mk3 8 months ago, great car so far.

In the last 2 months it has started to give a warning in the main dash "Keyless entry faulty", when the warning is on, the keyless entry does not work in either door and I have to open the door using the fob, once I start the car the warning flashes on the dashboard 5-6 times accompanied by an annoying beep, the pattern repeats itself whenever the car slows down or until it gains significant speed, making city driving madding. Sometimes however the warning goes away (after getting out locking it with the fob and returning later) but returns after couple of drives.

Thinking this was a simple problem I took the car to an official Seat dealership, after paying the first "diagnostic" fee they informed me that they didn't know what the problem was or how to fix it, but that I could kepp paying them more to try and figure out the issue without garuantee that it would ever be fixed. I promplty went there and took the car back and will deal with them separatly. Meanwhile I would like to try and solve the issue or at least get more information about it.

Has any one dealt with a similar issue and had any luck pinpointing the cause and fixing it? I have tried both keys with the same results and I'll be replacing the bateries on the fobs shortly even though I don't think that is the issues since both are acting up.

Best Regards.
 
Feb 25, 2024
3
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Hello.


Update on this issue, I've replaced the batteries on the key fobs with no luck. The warning was always on for the last week. I've connected ODBeleven to the car and I have the following errors:

Front passenger access/start system antenna - B117013
Front passenger exterior door handle touch sensor - B116F13

I'm searching for possible fixes on this two if any one as any experience with it please let me know.
 
Nov 17, 2024
4
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Hello.


Update on this issue, I've replaced the batteries on the key fobs with no luck. The warning was always on for the last week. I've connected ODBeleven to the car and I have the following errors:

Front passenger access/start system antenna - B117013
Front passenger exterior door handle touch sensor - B116F13

I'm searching for possible fixes on this two if any one as any experience with it please let me know.
Hiya, have u somehow sorted this out as ive got the exact same issue with my seat leon
 
Nov 17, 2024
4
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Already tryed the spare key?

And obd11 shows sometimes errors wich are not there
Hiya, i went to seat, they said they can diagnose for 180, so i went to my local garage and he figured out that when my doors were changed they cut the wire to the handle bar. So the keyless entry feature wasnt wired in. It may be a wiring issue inside the door card. That was my issue.
 
Dec 12, 2024
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Hiya, i went to seat, they said they can diagnose for 180, so i went to my local garage and he figured out that when my doors were changed they cut the wire to the handle bar. So the keyless entry feature wasnt wired in. It may be a wiring issue inside the door card. That was my issue.
how did u get it fixed? I got this issue, put new doors on can it wired into any door card?
 
Nov 17, 2024
4
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Basically the car has this wiring box which is original for the car (in the door handle area). Aslong as u have that, u can get it wired to any car door. However if u dont, then that issue wont be fixed. Ur gonna have to buy a whole door handle set which costs around 350-400 which includes the door handle, the wires and the box thing which allows keyless entry.

This is what my mechanic told me^.
Luckily i had the wiring box.
 
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