Pressure Control Solenoid Archives - Transmission Digest

The 6T75 has been on the road for a little more than a year now, and we’re beginning to see some problems with this unit. The first problem we ran into was at a Miami shop that was doing factory-warranty work for a local GMC dealer. The problem vehicle was a 2007 GMC Acadia, and there were some problems with the two-wire Hall-effect speed sensors.