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Thread: C7 Tire size change issues

  1. February 2nd, 2024 #1
    rubbersidedown
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    Default C7 Tire size change issues

    Can you upsize rear tires on C7 and modify with EFI live to correct the ABS / traction control issues? Customer just stopped and asked to revisit the issue- Its been long enough I dont recall the specific codes etc, off the top of my head but wondering if anyone has ran into this and corrected it? HP tuners does not work to remedy this. Sorry for lack of scpecifics, but if you know then you know...
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  2. February 6th, 2024 #2
    joecar
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    Tire diameter change is require to be done in ABS module,.

    EFILive does not program ABS module.

    EFILive can program ECM/TCM for correction to speedo and shift tables.
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