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Thread: 2006 Mustang GT all the sudden x11 controller unlocker errors

  1. #1
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
    Posts
    1,211

    2006 Mustang GT all the sudden x11 controller unlocker errors

    Spanish Oak ecu, i was able to read file out a couple months ago. Tried to upload to car first time gave me x11 errors every time. Car had a kenne bell installed couple years ago, got ahold of interface and used that to flash back to OEM stock but when I tried to read that out, now I get x11 errors also. No problems tuning 3 LS cars afterwards

    Anyone seen anything like this?
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  2. #2
    Tuner in Training
    Join Date
    Oct 2021
    Posts
    23
    I have found some of these S197s are picky about how many "mississippis" you give it when it tells you to key off for 3 seconds and key back on. 5 seconds seemed to work for one that kept giving x11 errors

  3. #3
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
    Posts
    1,211
    I gave it ten Mississipis....
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere