I don't have access to a real time scanner but will try to find one. The problem is getting worse. It is happening often, whether it's warm or cold, sometimes once every few seconds and at all different speeds. I found if I drove in 3rd gear at 70 mph it would not go into lockup. This was...
I have a 1996 Tahoe 5.7L with 160K miles. About 2 months ago it started what I will describe as intermittently downshifting for a fraction of a second or maybe a second and then upshifting again. It's either that or the torque converter (or whatever does this) goes out of lock up and then back...
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