One problem related to transmission shudder has been reported for the 2015 GMC Canyon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Canyon based on all problems reported for the 2015 Canyon.
Transmission started shuddering very badly when taking off from a stop sign under wet conditions. This occurred when throttle was reduced after the rear wheels broke traction. Gm knows about the transmission issues and the dealership has refused to repair it.