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2010 Buick Enclave won’t go past 2nd gear sometimes.


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gusmedic
New User

Dec 8, 2022, 8:00 AM

Post #1 of 3 (1207 views)
2010 Buick Enclave won’t go past 2nd gear sometimes. Sign In

This is an intermittent problem where the vehicle won’t go into 3rd gear. If I slow down and manually put car in L1, and then press the upshift button to 2nd and then 3rd as I speed up, it will go into third. Then I push gear selector back to normal D and it works fine. When it happens it’s usually first time going through the gears. Once in a blue moon it’ll occur during the middle of a drive, after leaving a stop light, for example. It only happens about 20% of the time, and never more than once per drive.
Thanks!


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 8, 2022, 8:33 AM

Post #2 of 3 (1205 views)
Re: 2010 Buick Enclave won’t go past 2nd gear sometimes. Sign In

We have a trans expert that be along when he can but before that you need to get a complete, multi-module scan to get all the stored trouble codes. I don't mean just a generic code reading. I mean with a professional scan tool.



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gsferraro
Enthusiast

Dec 10, 2022, 2:17 PM

Post #3 of 3 (1133 views)
Re: 2010 Buick Enclave won’t go past 2nd gear sometimes. Sign In

Hello, Would like to know if any codes are present for transmission or engine. Does this problem happen only cold and car is ok hot? Gary






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