Quote:
Originally Posted by thomasrepair
I quit updating when the snow shut me down, but I had made several attempts for a fix that didnt work. It was making me nervous to spin the rear wheels in the garage up on blocks at cruise speeds. I will list what was tried.
reflashed new pcm.
reflashed again with original pcm when vss was still at half speed.
swapped out throttle body and dbw pedal.
I think this was everything.
The tuner revealed to me that the tune architecture is for an auto trans vortec truck 5.3 with fuel maps for an LS6 Vette. I believe the 12v wire going to pin 33 blue sounded like the fix that should have worked.
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You weren't trying to test the cruise in the garage were you? Because that definitely wont work, it has to be done driving down the road.