<div class='quotetop'>QUOTE(RedHeartbeat @ Jul 8 2007, 11:32 AM) [snapback]98939[/snapback]</div>
One way to find out, try hooking your HPT to the truck and do a full read. If it won't read, it's locked.
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oh ya red i did find out that my truck pcm is unlocked .so if you could help me lower the idle a little it would help me .i did since then install ss brakes and hp pads ,that holds but i dony want too relly on that .and have premature brake wear.
mods:2004 sierra ext sb,20s ,big brake kit w,hawk pads,air bagged,2006 6.0 lq4 swap,vortec supercharged10psi, air to water intercooled w/ dual electric fans on it ,snow meth injection kit,60lbers, e-fans ,big radiator swap ,cam 218 /222 548/550 comp .hardened prs .1.85 comp roller rockers ,guideplates ,crane double springs,trans 4l65e built .pacesetter l/ts true duals w/x pipe and magnaflows,14 bolt rearend swap ,3.73s,aroemotive fuel pump system w/elec.fuel controller and bypass regulator a/n fittings, taylor 10.5s interceptor gauge,aem w/b a/f ,autometer boost/vac NELSON 93 OCTANE TUNED .