Keyless entry issue

[phawdon]

Hi
Mondeo Titanium X Business 2.0 Mk 4.5 Diesel on a 14 plate.

I have keyless entry which was working fine until this week. Took the car in to get some paintwork done and afterwards noticed that driver side keyless entry isn't working (both front and rear doors). Passenger side working fine still. Fob press opens and locks as usual.

I do have the occasional Low battery warning on dash and am planning to replace the battery which looks like it may be the original.

Any ideas? Cheers

[DaveT70]

Yes, change the battery, but not for a cheap one

[phawdon]

22 minutes ago, DaveT70 said:

Yes, change the battery, but not for a cheap one

Just ordered a Bosch S5 110. Fingers crossed it does the trick.

[unofix]

21 minutes ago, phawdon said:

Just ordered a Bosch S5 110. Fingers crossed it does the trick.

Should you not have been replacing the battery in the key (CR2032) ?

 

[DaveT70]

Erm, yes. I meant in the key

[phawdon]

11 hours ago, DaveT70 said:

Erm, yes. I meant in the key

 

On 8/25/2022 at 3:24 PM, unofix said:

Should you not have been replacing the battery in the key (CR2032) ?

 

Haha Doh! No harm done in replacing the starter battery I guess. 

Ill try a new fob battery though.

Strange that it works on passenger side though. Also the paintwork was done on the driver's side front and rear doors.. coincidence? Maybe.. 

[unofix]

1 hour ago, phawdon said:

Strange that it works on passenger side though. Also the paintwork was done on the driver's side front and rear doors.. coincidence? Maybe.. 

Did they remove the door handles for painting ?

[phawdon]

1 hour ago, unofix said:

Did they remove the door handles for painting ?

I don't know but I would very much doubt it as the area requiring painting was at the bottom of each door and covered a pretty small area. It's possible though. 

[unofix]

OK. 

Have you fitted the new car battery yet? 

[phawdon]

46 minutes ago, unofix said:

OK. 

Have you fitted the new car battery yet? 

Yes.

Not got the replacement fob batteries yet though.

[unofix]

If changing the keyfob battery makes no difference (and I think it probably won't) then you are going to need to use FORScan to see why the keyless entry on those two doors is not working.

Download FORScan: https://forscan.org/download.html

Connecting cable 'vLinker FS' : https://www.obd2shop.co.uk/wholesale/vgate-vlinker-fs-elm327-for-ford.html?gclid=CjwKCAjwgaeYBhBAEiwAvMgp2jZ2uCGibyz-v1R4CNoNuRZfCmktxY_jUFI14gmDD-CtXad4JRUvcxoCAE4QAvD_BwE

[phawdon]

10 hours ago, unofix said:

If changing the keyfob battery makes no difference (and I think it probably won't) then you are going to need to use FORScan to see why the keyless entry on those two doors is not working.

Download FORScan: https://forscan.org/download.html

Connecting cable 'vLinker FS' : https://www.obd2shop.co.uk/wholesale/vgate-vlinker-fs-elm327-for-ford.html?gclid=CjwKCAjwgaeYBhBAEiwAvMgp2jZ2uCGibyz-v1R4CNoNuRZfCmktxY_jUFI14gmDD-CtXad4JRUvcxoCAE4QAvD_BwE

New fob battery made no difference.

Ive ordered the cable. Will post again when I've tried it. Thanks for your help.

[PTT245]

Hi I have a 2022 fiesta vignale. Keyless entry has worked no bother until this weekend. Now the driver door won’t open keyless but the passenger door will. Only thing different was the car was washed, but nil else. I’ve gone onto ford pass and it’s said to go to instrument stack, settings then vehicle settings and chose doors to use. But I don’t have vehicle settings under the settings section. Totally flummoxed 

[unofix]

Put the car battery on charge overnight and the problem will go away.

Connect positive charger lead to battery terminal, and connect the negative charger lead to the chassis earth point - NOT to the battery terminal.