tcm

crawldaddy · Post by **crawldaddy** » Sat Mar 14, 2009 5:16 pm

i have a 2005 4.8 and u7193 i want to turn off the traction controls! i can't power brake, truck lags til' about 2500 rpm if there is a way please let me know. before i purchaced the predator i looked at the web site and there were three options for the tcm, but on mine there is only one (upshift torque reduction).i have downloaded and installed latest software rev.
logged ltft, truck has cai, 160 tstat, flowmaster.

gump2388 · Post by **gump2388** » Sat Mar 14, 2009 7:19 pm

good luck. the new style motors dont make power till 3500. specially the 4.8 turn it up and its ready.

Midevil1 · Post by **Midevil1** » Sat Mar 14, 2009 8:02 pm

crawldaddy wrote:i have a 2005 4.8 and u7193 i want to turn off the traction controls! i can't power brake, truck lags til' about 2500 rpm if there is a way please let me know. before i purchaced the predator i looked at the web site and there were three options for the tcm, but on mine there is only one (upshift torque reduction).i have downloaded and installed latest software rev.
logged ltft, truck has cai, 160 tstat, flowmaster.

Thats weird.....My 7193 and my buddies both have 3 diff. settings that you can turn off.?.

Post by **06MonteSS** » Sat Mar 14, 2009 8:12 pm

yeah, but what revision are you on??

in the newer revision, they removed those other 2 settings and just turned 'em off by default in the tune, to take the guesswork out of it for users... and they just left the 3rd option there for ya...

05Z71 · Post by **05Z71** » Sun Mar 15, 2009 10:28 am

Turn your TCM option to off, boost up your pressures to 25, and try it again.

Why do you want to powerbrake anyways? Is that some kind of status thing or something? Performance is shown by raw numbers not how much smoke you can make come from your tires while at a dead stop.

Just my $0.02

crawldaddy · Post by **crawldaddy** » Sun Mar 15, 2009 12:19 pm

it's not really that i want to power brake i would just like to come off the line faster, if i put it tow mode it's a little better. i was just hopeing there was something i was missing.

Ill_Born_SS · Post by **Ill_Born_SS** » Sun Mar 15, 2009 12:26 pm

160 tstat !!!

http://www.diablosport.com/index.php?na ... 2&start=15

gump2388 · Post by **gump2388** » Sun Mar 15, 2009 1:06 pm

there shouldnt be any difference in power from being in tow mode. it just changes the way the tranmission shifts.

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