Traction light on after 20 km/h

[Gizmo20VT]

Hey Peeps

Been a while since I posted here. I purchased myself another S3 8l recently from a mate.

I am try to diagnose why the traction control light would turn on after 20km/h and not go off unless I cycle ignition. The doors wont auto-lock either..

Code on the ABS controller (No coms to Haldex unit)
I can log into the haldex unit with VCDS

Checks I have done

Replaced ABS fuses above battery and side panel of Dash
Ground Strap Replacement
Wheel speed sensors are reading same values while driving
Brake sensor is activating at all times on VCDS
Steering angle has been re-calibrated and is straight
Longitude sensor is withing spec

[Measuring Blocks - 08]
Group 006
[Go!]
Check field 1, the value has to be between -0.5 and +0.5 m/s².

Later Sensor withing spec

[Measuring Blocks - 08]
Group 004
[Go!]
Check field 2, the value has to be between -0.5 and +0.5 m/s².

One thing that is possibly a concern, when the ignition is on, I can hear which I think is the pre-charge pump in the haldex area running like its stuck.

Is there any other checks I could do?

Most of the threads I have found on ASN point to ABS sensors, bad grounds, faulty Haldex units (either pump or controller)

Is there any testing I can do on VCDS for the haldex unit itself?

Thanks peeps

 

[ayfreetee]

Have changed the oil a filter in the haldex unit, it may be low on oil or even none at all.

 

[GOLF-MK3-GTI]

Look at my thread on here; I had the same problem and i managed to fix mine.

http://www.edition38.com/forums/index.php?showtopic=522163&hl=

 

[Gizmo20VT]

Thanks Golf3-mk3-GTI but how did you "recode" it in the ABS module?

 

[JohnStan725]

I am having the same issue here mine is a little different though, esp comes on when it's a cold day and stays on all day if it's hot outside it won't come on, but it's very intermittent it's on more times then it's off and I have to restart the engine to try and clear it however that never usually works. I need help on fixing mine just haven't a clue where to start!