What is your question?
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What is your question?
Jumps in and out of gear in bumper to bumper traffic, and also jumps into the last gear when accelerating up to highway speeds merging into traffic. Just had the Transmission fluid changed, the problem didn't go away.
What makes this problem better or worse?
Congested traffic
How long has your 2011 GMC Terrain had this problem?
1 month

1 Reply
This could be shift solenoids or a valve body issues but this type of issue will require a complete diagnosis. The tech will start by scanning the car's computers for trouble codes and then checking actual values. You can start by making sure the fluid looks clean and the level is correct. If that checks out then use this link to find a good shop near you. https://repairpal.com/repair-shops Alex