Trnasmision GonAAAA

bigJay63 · Saturday at 3:21 PM

2011 gmc yukon xl

transmission is slipping when it gets hot and i throws 2 codes

P0796_00 Pressure control solenoid 3 stuck off

P0989_00 Transmission Fluid Pressure (TFP) Switch 5 Circuit Low voltage

eeeeeeesd

ddddddddddoooooooooooooooooooooooooooooooooooooooooooooooooo

Fless · Saturday at 6:56 PM

I have no comments about the transmission issue, but you may need a new keyboard.

tom3 · Saturday at 8:56 PM

What's the mileage on that machine? Do you know the service history?

bigJay63 · Saturday at 9:42 PM

tom3 said:
What's the mileage on that machine? Do you know the service history?

engine has 258,000 miles i have owned it since it had 100k. never had any issues other than regular maintenance

OR VietVet · Sunday at 4:13 AM

Maybe @NickTransmissions can chime in.

NickTransmissions · Sunday at 10:51 AM

bigJay63 said:
2011 gmc yukon xl

transmission is slipping when it gets hot and i throws 2 codes

P0796_00 Pressure control solenoid 3 stuck off

P0989_00 Transmission Fluid Pressure (TFP) Switch 5 Circuit Low voltage

eeeeeeesd

ddddddddddoooooooooooooooooooooooooooooooooooooooooooooooooo

Drop the pan and see what's at the bottom then refer to my 6L80 Information thread for the link to the ATSG manual so you can research those codes and perform continuity testing on the applicable solenoid and pressure switches to confirm/deny the DTCs. You'll need to remove the TEHCM to do this testing; purchase SnapOn's 10EPL socket - this is a modified inverted Torx 12 socket specifically made for GM TEHCM/Valve Body Assembly-to-transmission case bolts...Undo the white locking latch prior to removing any bolts.

Trnasmision GonAAAA

bigJay63

TYF Newbie

Fless

tom3

Full Access Member

bigJay63

TYF Newbie

OR VietVet

Multnomah Falls

NickTransmissions

Sin City

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