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Speedo compensation for larger tires

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  #1  
Old 03-28-2017, 11:49 AM
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Default Speedo compensation for larger tires

Joy of joys. Just found out that there is a setting in the IID Tool Car Configuration File menu to allow users to specify the tire size currently fitted to the car. This means that those people who are running larger diameter tires can have their speedometer reading the proper speed again.

Is it a big deal? Maybe not, but that 2-3mph difference bugs me all the time!
 
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Old 04-06-2017, 01:16 PM
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Originally Posted by cmb6s
Joy of joys. Just found out that there is a setting in the IID Tool Car Configuration File menu to allow users to specify the tire size currently fitted to the car. This means that those people who are running larger diameter tires can have their speedometer reading the proper speed again.

Is it a big deal? Maybe not, but that 2-3mph difference bugs me all the time!
What menu is it under?
 
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Old 04-06-2017, 02:35 PM
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Update your IID.
It's under the instrument panel config menu
 
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Old 04-06-2017, 02:36 PM
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its also spelled tyres in there lol
 
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Old 04-06-2017, 04:58 PM
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BTW, just in case anybody does this, I'd like to know what your results are. I updated mine to the current tire size and not long after, I got a check engine light. Turns out it was for the "vehicle speed sensor". Cleared the code and it came back. Returned tire size to default and haven't had the check engine light come on again.

Obviously, there appears to be more to it than just updating the tire size in the CCF
 
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