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So this is another TEHCM issue ... in addition to the Pressure Switch "membrane" problem that affected some of these transmissions.
 

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That sounds like it might also move in park?
Personally. . I think the issue is pretty rare. Have not seen or heard about this and the covered transmissions go back to 2008.
 
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I agree with JT however I think the 9 speeds are over rated.
Only drove one as a rental but had a hard time getting it into 9th.
I'd rather have more horse power and less gears, it's all good.
 

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I agree with JT however I think the 9 speeds are over rated.
Only drove one as a rental but had a hard time getting it into 9th.
I'd rather have more horse power and less gears, it's all good.
2x
9 speed in my Traverse shifts way too much compared to the 6 speeds in the rest of my fleet.
The more it shifts the more wear happens, less shifts less wear, longer life IMO
 
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