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Thread: 2007 Trailblazer SS Stabilitrak issues?

  1. #1
    Advanced Tuner
    Join Date
    Jan 2014
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    Waldorf MD
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    2007 Trailblazer SS Stabilitrak issues?

    Greating.

    Tuned this vehicle a while ago. Now BRAKE TORQUE MGMT is firing off on hard acceleration. This vehicle was converted from AWD to 2WD prior. Also has the LSX 376/525 crate motor installled. Ive tried disabling traction control in the tune. The owner has even gone as far as to pull the fuses for Stabilitrak and its still occuring. Can anyone steer me in the correct direction to resolve this? Tune and log attached. In the log, we were trying to light the tires but this is exactly what happens when you try to stomp it from a dead stop.

    Thanks in advance!
    Attached Files Attached Files
    Daily Driver= 2003 BMW 330xi
    Weekend Cruiser= 2009 Pontiac G8 GT (Vararam, TSP LS3 N/A Stage 1, OBX, CTS-V converter, MagnaFlows w/ J-Pipes, 160 t-stat)
    Project Car= 1991 Chevrolet Camaro RS (LQ4 w/ Gen 4 Rods, LS3 heads, turbo...)
    Truck= 2007 Chevy Silverado 1500 LT LY5 4x4

  2. #2
    Advanced Tuner
    Join Date
    May 2006
    Location
    Seattle, WA
    Posts
    539
    Try setting ECM 289 set to Enabled and turning off the TC+ST by holding the shifter button for ~7s until the DIC confirms no Stability control active.

    When were the hubs replaced last? The StabiliTrak system in the TBSS platform can be finicky if the wheel speeds are different.
    ~Erik~
    2013 Sonic RS - manual, CGM, 6M, sunroof, mods in process
    2008 TrailBlazer 3SS AWD LS2, loaded, dropped, modded, SE22 Performance tuned. And then some...
    2002 TrailBlazer LT 4WD 4.2L I6, lifted, tires, exhaust, SE22 Performance tuned

  3. #3
    Advanced Tuner
    Join Date
    Aug 2006
    Location
    Arizona
    Posts
    230
    TQ MGNT.PNG

    Set like this.
    2009.5 PBM G8 GXP M6 W/Roof-Self tune, OBX LTs, Kooks axleback, LSA blower, cam,
    Monster LT1-SC clutch, flex fuel, 12 psi [email protected] 1,800 D.A
    2007 TBSS-Self tune, bolt ons [email protected], 1,900 D.A
    1991 GMC Syclone- Self tune/catback 12.8@104, 4,200ft D.A

  4. #4
    Advanced Tuner
    Join Date
    Jan 2014
    Location
    Waldorf MD
    Posts
    774
    I will try those settings. Thanks ScarabEpic22 and STAGEUP!
    Daily Driver= 2003 BMW 330xi
    Weekend Cruiser= 2009 Pontiac G8 GT (Vararam, TSP LS3 N/A Stage 1, OBX, CTS-V converter, MagnaFlows w/ J-Pipes, 160 t-stat)
    Project Car= 1991 Chevrolet Camaro RS (LQ4 w/ Gen 4 Rods, LS3 heads, turbo...)
    Truck= 2007 Chevy Silverado 1500 LT LY5 4x4