Forscan update for 37" tires

[iceman7273]

I updated my speedo using Forscan for 37" tires. The issues is the CEL is on. Anyone have a detailed instructions on how to update without the CEL coming on? Thanks

 

[jackrook]

I updated my speedo using Forscan for 37" tires. The issues is the CEL is on. Anyone have a detailed instructions on how to update without the CEL coming on? Thanks

Join f150forum.com they’ve got a HUGE forscan sticky that is super informative.

 

[RaptorLover]

I updated my speedo using Forscan for 37" tires. The issues is the CEL is on. Anyone have a detailed instructions on how to update without the CEL coming on? Thanks

What Forscan change did you make? I also have 37s and need to adjust my speedo.