2009 tahoe hybrid surging!!!!!!! need help
#1
2009 tahoe hybrid surging!!!!!!! need help
hey guys need your help i know there's plenty of people that have experienced the same thing but im at a lost,hopefully someone has a def answer about this problem. everyday now i get a surge,like a stumble off the line from hybrid to gas where the gas just wins,but it shakes the truck hard,other time the truck has launched forward while breaking going into hybrid mode.this happens everyday at any given temp or day,cold or hot doesn't matter.there are zero codes showing up on scanner or dash.my truck is in mint condition i keep her super clean and always well maintained.Plugs are changed,oil pressure solid.trans fluid on point but still no clue.a lot of people talk about the aux trans pump which i cant even find no where online,or even a used one.im just at a loss and ill have to get rid of her because im scared it will get someone hurt.my mechanic has no clue only knows what he read online which other people have had similar issues,GM there mechanics know nothing,there all just part re placers or wont look at it unless its has codes,and the truck is up to date in software PLEASE ANYONE KNOW WHAT TO DO??????
#2
there have been some cases of vehicle lurching forward when coming to a stop and setting code p2797. the trans fluid level should be checked. the auxiliary transmission fluid pump is to be tested and a build date code should be inspected for 089-11-XXXX and replaced if matches. its bolted to the bottom of the trans pan.
not many techs have hybrid experience...most are at big city dealerships (dealerships must have 2 hybrid trained techs if they want to sell hybrids) and even then, they may not see many hybrids. before dropping a hybrid off...ask the shop foreman some hard questions as to whether this is up their alley.
not many techs have hybrid experience...most are at big city dealerships (dealerships must have 2 hybrid trained techs if they want to sell hybrids) and even then, they may not see many hybrids. before dropping a hybrid off...ask the shop foreman some hard questions as to whether this is up their alley.
#4
Surging issue
there have been some cases of vehicle lurching forward when coming to a stop and setting code p2797. the trans fluid level should be checked. the auxiliary transmission fluid pump is to be tested and a build date code should be inspected for 089-11-XXXX and replaced if matches. its bolted to the bottom of the trans pan.
not many techs have hybrid experience...most are at big city dealerships (dealerships must have 2 hybrid trained techs if they want to sell hybrids) and even then, they may not see many hybrids. before dropping a hybrid off...ask the shop foreman some hard questions as to whether this is up their alley.
not many techs have hybrid experience...most are at big city dealerships (dealerships must have 2 hybrid trained techs if they want to sell hybrids) and even then, they may not see many hybrids. before dropping a hybrid off...ask the shop foreman some hard questions as to whether this is up their alley.
I have a similar surging issue. If my pump has that batch number and is needing replaced is this a factory covered repair or is this an additional expense for my pocket like so many before this? Also any idea on the cost?
#5
Chevy hybrid techs
You mentioned dealerships need 2 techs? I have been taking my Tahoe to Shultz Chevy in jamestown NY for a couple years now and to the nest of my knowledge they only have 1 tech to work on my truck.
Last edited by tech2; May 17th, 2021 at 10:50 AM.
#7
what happens if the tech working on your truck is hit with 300volts...you don't want an untrained person trying to rescue
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