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'21 Tahoe Z71 Transmission Failure
Hi there. I’m currently going through the same thing with my Tahoe. It’s in the shop and they have reported it is the valve body and they are replacing it. It wouldn’t go in reverse and I had a message on dash that said “Service transmission now unable to shift soon” the manager said these...- Nursecoco73
- Post #8
- Forum: Engine & Drivetrain
