Fuel gauge not working

[MIG]

I am guessing you have the older red screen cluster?

With the correct plug-and-play adaptor, I think you can just drop in a B7 cluster.

If you don't mind coming down this way, I have a spare B7 cluster and the tool to correct the ODO

[kamold]

Yes you can install a UDS cluster. You'll lose the comfort and lighting menus, but they can be controlled indirectly with VCDS.
Need a 32 to 36 pin adapter and the front trim piece which is a different shape.

[Old Navman]

Hi,

Maybe a longshot...

I had a fuel supply issue a couple of years back with a low fuel pressure sensor fault. Long story short, once the sensor was replaced and couple of other bits, all the hardware was good, save for the gauge measuring. Turned out the coding for the gauge was corrupted. The tank characteristic curve for the left tank (from memory) was missing and the gauge 'code' could only see one tank. Therefore, fuel load was incorrectly calculated (not helpfully, above what was in the tanks) so just over half full on the gauge was empty tanks.

Perhaps check the tank characteristic curves in the coding for your dash. (I note mine is a later dash than yours)

Cheers

I had not tinkered with this coding at all unless it got corrupted 'by itself' but I will try to have a look at those details next time I've got VCDS hooked up.

[Old Navman]

I am guessing you have the older red screen cluster?

With the correct plug-and-play adaptor, I think you can just drop in a B7 cluster.

If you don't mind coming down this way, I have a spare B7 cluster and the tool to correct the ODO

Correct, the reddish display. Thanks for your offer, I might just take you up on that one of these days. Incidentally, I was at Mordi about 2 weeks ago could have popped in for a chinwag. How do I contact you - can you PM me your mobile number? Cheers

[Old Navman]

Yes you can install a UDS cluster. You'll lose the comfort and lighting menus, but they can be controlled indirectly with VCDS. Need a 32 to 36 pin adapter and the front trim piece which is a different shape.

I gather this will work with my existing Canbus modules, etc. Not that I have UDS clusters laying around but I might just have to get one if at the end of the day I can't get this working. I guess I'm being mindful of how much I have to spend versus how much the car is currently worth which is not a lot. It's been suggested that I simply carry a jery can in the boot.

[Old Navman]

In respect of the fuel gauge not working - I ended up swapping for another cluster and the gauge is working again so it appears the fault was with the cluster itself.

Unfortunately, all is not as it should be because when the tank is full the gauge is not showing exactly full but the needle is a bit off. Is there any way to correct this via VCDS?

Additionally, the replacement cluster has way more mileage - can VCDS correct this so it corresponds to the old cluster?

[MIG]

afaik VCDS can only increase the mileage on new clusters < 50Kms.

There might be an adaptation or coding option for the 4-motion as it has two fuel senders.

What's the part number on the cluster? I can check if my OBDstar cluster tool can do the mileage correction.

[Old Navman]

With the replacement cluster in-situ and no additional paperwork (bought from the fleabay) I can only guess that the part number is: A2C53145550 (individual instrument location as per the photo).