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ABS/Brake/AdvanceTrac Lights on After Gear Change

Discussion in '2011-2014 V6 Mustang Tech' started by Griffin, Jan 31, 2015.

  1. Griffin

    Griffin It's never fast enough.

    Dec 10, 2013
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    Heartland, FL
    I swapped out my 2.73's for 3.31's and now my ABS, Brake and AdvanceTrac light on my dash are on. The car seems to drive fine, but it concerns me.

    I tried looking for any trouble codes with my SCT tuner, but it said there were none. I cleared the lights with the tuner, but they came back on a couple minutes later.

    It tells me to "Check Brake System" and "Check Advance Trac" at start-up and every 5 minutes while driving. Any ideas?