location of a transmission control module for a 1999gmc pickup
Asked by vtate Feb 05, 2015 at 07:26 AM about the 1999 GMC Sierra 1500 SL 4WD Standard Cab LB
Question type: Maintenance & Repair
got 2 trans put in truck same thing no 3&4 gears so had one rebuilt same thing put new
3 4 clutch pack new 3&4 shift s. new valve body same thing no 3&4 gears so i pulled it
out again when put back in it will be the 5th time also a new down shift s.
10 Answers
yetilikesbeer answered 9 years ago
The engine and tranny are controlled by the PCM under the hood on the drivers side.
What did it end up Being wrong with trans
found bad yellow wire on 4 pin connector going into computer on transaxle , you have to remove that drive shaft for hand clearance
Frustratedtimes8 answered 5 years ago
Question my 99 Chevy Silverado has had 2 used trans out in...and the original rebuilt twice and now a remanufactured twice and it keeps busting sunshell...help!!!!!
Can someone please tell me where to locate the transmission control module or Tcm on a 2006 GMC Yukon ?
Guru99159T answered 3 years ago
My 1997 Chevy Silverado want shift into overdrive. And when u stop and go to take off its not shifting back down. U shut it off and restart it take off it will shift fine 1 2 3 gear no overdrive. Until u stop want down shift
Guru9TFF75 answered 3 years ago
I have the same problem did you figure out what it is
I'm having the same problem with mine how did you fix it
Guru9BPGHX answered 2 years ago
i have a 98u 3500 changed transmission does same acts like it in drive wont shift all i got is reverse and a foward gear seems like it locked in second gear antyone got ideas
