So for about a month my truck has been having issues coming to a stop an leaving from a stop. Rarely done it at first. Ran codes with tech 2 and nothing. Finally it started acting up left and right and only threw a p2797. Truck is a 09 with right at 158k on it. I inspected the aux pump harness and doesn't look to be damaged. Should I go ahead and replace it? Also read somewhere it can be hybrid 1-2 clutches. Any input?

 

2797 is usually pump and or controller related

 

That's what I'm leaning towards. I work at a dealership and no one here knows anything about hybrids. Lol. I already ordered a new pump adapter harness and seal for it. Hope it fixes it

 

Good luck. As a former Mr. Goodwrench I can tell you that newer products are so packed with computers and communication wires.


Being a Master mechanic was not enough so I went back to school for Electrical Engineering.


For "self defense".

 

I don't mind learning something new. Especially if it helps me with my daily driver. Lol. Been a great truck. First mechanical issue I've had with it.

 

He is master geek! I saw him at work with my hybrid. He is like Neo from the matrix

 

 

hello.my 08 yukon 227000 miles on it is throwingg p2797 trans code among a couple others but i see this code over and over as im clearing and trying to figure ropt cause .
it is definatly having issues from motor to idle mode .
cannot find any videos and replacemant procedures ?
anyone remove and replace aux trans pump ? did that splve anyones issues with p2797 .