BOWMANVILLE, Ontario – NASCAR has suspended NASCAR Gander Outdoors Truck Series competitor Tyler Dippel indefinitely.

NASCAR has not given an exact reason for the suspension, but an official statement from NASCAR indicated he was suspended for a behavioral violation. According to the statement, Dippel violated Section 12.1 of the NASCAR Rule Book and the penalty was for actions detrimental to stock car racing.

The 19-year-old from Wallkill, N.Y., is in his rookie season in the NASCAR Gander Outdoors Truck Series. Driving the No. 02 Chevrolet for Young’s Motorsports, he has earned one top-five and three top-10 finishes.

Young’s Motorsports has not announced a substitute driver for Sunday’s race at Canadian Tire Motorsport Park.