can you adjust the speedo for the tyre size?

[Skyliner33]

Not seeing what they are actually called ?

VW T6.1 18" 5 Spoke Wheel Polished | ZGBSHA071 499

| VW T6.1 18" 5 Spoke Wheel Polished| ZGBSHA071 499 | Genuine VW Parts and Accessories

vwvanpartsdirect.co.uk

Not sure they have a name.

 

[RGA6.1]

No, for some strange reason they don't have a name.....just 18" Polished Black 5 Spoke Alloy Wheel. They are a new wheel (I think) and are currently featured on the official VW Transporter Accessories web page.

 

[WILBA1962]

I have the same problem on my shuttle. 275/40/20 on mine to. My van at 70mph is showing 74mph on Google maps. Can this be altered via software to recognise the wheel/tyre size?

 

[Grim Reaper]

[Guide] [T6_modified] T6 Speedo Adjustment with VCDS

Module 17 – Instruments carries also the coding to select a few scaling factors for speedometer. Byte 0, bits 0..3 have mysterious value “K-number”. It turned out changing this coding adjusts measuring values IDE00842 (K-number) and IDE00845 (Wheel circ. mm) of module 17 - Instruments, and...

www.t6forum.com

 

[Paul Sussex]

Had 20 inch on my T6 van when I bought it and speedo was out along with all other mileage related stuff (factory fit was 16 inch).

BMVS were great and sorted it for me

Now changed and running 17 inch, all good van feels so much better to drive and speedo / other mileage stuff all spot on.