Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.
What Owners Say
"Would chatter at any speed. Dealer flushed the system. Problem solved."Max M., FL (2018 GMC Canyon SLT 3.6-L V6)
"Transmission was shuddering at all times when going 40mph. GM is having lots of problems with this 8 speed transmission."Charles W., MD (2018 GMC Canyon SLT 3.6-L V6)