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Tire Size Change Issue.

FeArZ

New member
First Name
Zach
Joined
Dec 1, 2023
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Location
Houston
Vehicles
Rcsb f150
Occupation
Operator
So another tire size issue.

I'm trying to put a smaller tire size for my track tires. Seems like I have a hard limit at 2200mm in tire size. At 2200 I get the PCM "inoperable valve" when trying to relearn. No light on dash and no ABS codes. As soon as I go below 2200mm in tire size I get the C0087 ABS code and "Service Stabilitrack"

Anyone ran into this limit going down in tire size?


I have used the calculator and my tire comes out to 2046mm and I put in the HEX values still get errors unless the hex valves equal 2200mm or higher
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