T43 6L80E 6L90E IGN 1 voltage loss common code on 6 speed GM Transmissions

Common loss of Ignition voltage at the TCM on 6 Speed (6L80,6L90) Transmissions.
Check for power at the fuse box
Check for power at the Pin at the T43

[@8power0]

ONE OF THE BEST VIDEOS ON VOLTAGE ONE LOSE I HAVE SEEN IN A LONG TIME , JUST DIAGNOSED ONE LAST WEEK WITH A BAD IPCM THANKS AND PLEASE KEEP UP THE GREAT CONTENT !

[@danielm.5777]

Great video. What tool did you use to de-pin it? So you have Part number?

[@ajhamann4186]

Hi, how did you de pin the connector? I tried moving white thing over and using round pin tool just can’t figure it out. Truck is my daily. SOS

[@michaelchu802]

Have code p0700 and p182e, any idea ? Lost voltage at park/neutral relay pin 30 but have no idea what feed the power to the relay .. internal mode switch been replaced

[@meshal6154]

hi i have 2009 tahoe 6l80 transmission i got p0700 p2534 on the same time and i check the transmission connector it looks fine do you have any idea !

[@meshal6154]

also i stuck on limp mode

[@SpartanAutoworx]

Have power and ground at the TCM?

[@jacoblester4506]

i'm haveing po700 and p2730 code and stuck in 2 gear

[@James-gg7lz]

How is pin removed

[@SpartanAutoworx]

You need correct removal tool. Kostal 95945355 or any barrel tool will do it. Amazon can get you a barrel tool variety that will work. Just find size close to it.

[@elijahlane411]

What were the symptoms of this issue?

[@SpartanAutoworx]

Had a code for loss of ign1 voltage also pump running full pressure along with stuck in 3rd gear

[@elijahlane411]

@@SpartanAutoworx i’m having an issue where i once in a while i get the P0700 code with no other codes and it goes into limp mode but once i clear it its fine

[@gibrancaballero]

@@elijahlane411 …how do you reset the limp mode?

[@elijahlane411]

@@gibrancaballero clear the code with an OBDII scanner

[@gibrancaballero]

@@elijahlane411 …I did …it keeps coming back, I can’t find where is the VSS to replace it