Did a LT swap in a 92. Ever since swap we have a dead pedal only in gear in ramp in WOT. You can pop the throttle in park and it responds. But in gear there is a dead pedal like when you Zero out TM in the 07+ Trucks. Thanks!
Did a LT swap in a 92. Ever since swap we have a dead pedal only in gear in ramp in WOT. You can pop the throttle in park and it responds. But in gear there is a dead pedal like when you Zero out TM in the 07+ Trucks. Thanks!
JRXTuning & Performance
Fort Worth Texas
[email protected]
2011 CTSV https://youtu.be/WUuGxYNfJjk
2008 GMC Sierra 5.7, Nitrous Outlet 200shot, 4.10 gears (Sold)
2007 GMC Sierra 4.8 4/7 drop, Tune only
2007 CTS-V BTR STG4,TFS225,MSD Airforce,102NW TB
It's the stock 2014 pcm. No codes.
If driven calmly the pedal response is good and works flawless. When tires break loose like in a power brake pedal goes dead until you key off for a couple of minutes. Then key on and it's back to normal.
JRXTuning & Performance
Fort Worth Texas
[email protected]
2011 CTSV https://youtu.be/WUuGxYNfJjk
2008 GMC Sierra 5.7, Nitrous Outlet 200shot, 4.10 gears (Sold)
2007 GMC Sierra 4.8 4/7 drop, Tune only
2007 CTS-V BTR STG4,TFS225,MSD Airforce,102NW TB
brake torque management needs to be disabled it sounds like....probably a bunch of stuff if it is stock cal.
Well pre GM It's a ebcm communication issues. Might need to disable all TC functions or need a DBC TB . Brake TQ in TM is disabled.
JRXTuning & Performance
Fort Worth Texas
[email protected]
2011 CTSV https://youtu.be/WUuGxYNfJjk
2008 GMC Sierra 5.7, Nitrous Outlet 200shot, 4.10 gears (Sold)
2007 GMC Sierra 4.8 4/7 drop, Tune only
2007 CTS-V BTR STG4,TFS225,MSD Airforce,102NW TB
Are you feeding the ECM a VSS signal? I've seen that cause this issue before.
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Yes we are.. We can break torque it and once we do that the pedal goes dead and takes a couple cycles for the pedal to relearn its self.
JRXTuning & Performance
Fort Worth Texas
[email protected]
2011 CTSV https://youtu.be/WUuGxYNfJjk
2008 GMC Sierra 5.7, Nitrous Outlet 200shot, 4.10 gears (Sold)
2007 GMC Sierra 4.8 4/7 drop, Tune only
2007 CTS-V BTR STG4,TFS225,MSD Airforce,102NW TB
some kind of limp mode? what have you done with the Diag tables?
What ever is not used its Disabled.
JRXTuning & Performance
Fort Worth Texas
[email protected]
2011 CTSV https://youtu.be/WUuGxYNfJjk
2008 GMC Sierra 5.7, Nitrous Outlet 200shot, 4.10 gears (Sold)
2007 GMC Sierra 4.8 4/7 drop, Tune only
2007 CTS-V BTR STG4,TFS225,MSD Airforce,102NW TB
Update on issue... Had a faulty pedal sensor.. Truck is fine and with a happy customer!
JRXTuning & Performance
Fort Worth Texas
[email protected]
2011 CTSV https://youtu.be/WUuGxYNfJjk
2008 GMC Sierra 5.7, Nitrous Outlet 200shot, 4.10 gears (Sold)
2007 GMC Sierra 4.8 4/7 drop, Tune only
2007 CTS-V BTR STG4,TFS225,MSD Airforce,102NW TB