Traction Control - ESC/ASR & HDA switch retrofit
- Thread starter Chickybumps
- Start date
Signal wire to the ABS module is now in pin 9, with the little sealing plug installed. No lights on the dash so far, so my van still has working brakes!
Next I touched the other end of the wire on ignition live (still need to get the actual switch) and SUCCESS!
Many thanks indeed to @mmi for the code discovery, and also @Bundy88 for sharing data. T6.1 hill descent appears to be cracked!
Next I touched the other end of the wire on ignition live (still need to get the actual switch) and SUCCESS!
Many thanks indeed to @mmi for the code discovery, and also @Bundy88 for sharing data. T6.1 hill descent appears to be cracked!
Also huge thanks goes to @Pauly for providing behind the scenes quite a few build sheets with full VCDS data packages. Wouldn't have been possible without all the data as every T6.1 ABS coding is unique 
And of course @drinfinity thanks for experimenting.
And of course @drinfinity thanks for experimenting.
My switch arrived and after some wrestling with the dash plastics to get to the back to pop the old one out, I could put the new switch in. New wire in position 4 on the connector, and the lights at least work. Need to try it out on a steep hill next to see if it actually does anything!
I’ve just been out and tried it on a steep hill, and it does activate exactly as described in the manual. Indication that it is operating is a slightly brighter glow to the icon in the dash, which you don’t really notice unless you stare at it changing! Brakes kick in to hold at whatever slow pace you were at.
