GM speedo recalibrate -2013 Sierra

[Justindwright]

I put larger tires on my 2013 Sierra (33s) speedo is a little off. Any recommendations on who I could take it to get it fixed/recalibrated? Any idea on cost if you have had it done before?

Thanks!

 

[Scooter70]

Speedo is typically off by a few percent even with stock tires. After I put 33s on my F150, it actually reads closer to "right" than it was with the stock ones when checked with GPS.

 

[Detroit Gearbox]

It can be done with HP tuners.

 

[1BADAIR]

Will an MDI do it? You used to be able change the tire size some with techII's

 

[99TransAmWs6]

alot of simple hand held tuners will let you adjust that. As well as other things obviously.

 

[CruisnCobra]

Will an MDI do it? You used to be able change the tire size some with techII's

When I tried on my 03 Silverado with a Tech2, I could only change tire size for the ABS module. I would've had to call and get something (don't remember what it was called) to change tire size. I think the MDI was the same way.

 

[ultradriver10000]

It can be done with HP tuners.

x2

I can do it for $150

 

[MarkVIII93]

I put larger tires on my 2013 Sierra (33s) speedo is a little off. Any recommendations on who I could take it to get it fixed/recalibrated? Any idea on cost if you have had it done before?

Thanks!

Dude come over. I have HPT.


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