P0420 on CHEVROLET TRAVERSE

"Recently bought this traverse 2010 ltz from a private owner after 200 miles on the road the check engine light triggered a few codes p0008-p0017-p0420, upon extensive diagnostics at four different places."

"My vehicle was getting a check engine code #P0420, took to my GM dealer for service on [XXX]. RK Chevrolet in Virginia Beach, VA. Was told the error was caused by the mounting bracket on the front exhaust pipe had separated from the pipe, resulting in a hole in the pipe."

"2019 chevy traverse check engine light came on then went off for a couple of weeks. The engine light came back on and I took it in to dealership. They found code p0420 which is fail code catalytic converter."

"The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 45 MPH, the vehicle jerked, with an abnormal sound coming from underneath the vehicle. In addition, the contact stated the vehicle failed to accelerate as intended while depressing the accelerator pedal."

"Engine light came on couple weeks ago. Code is p0420 so I did some research and inspected the exhaust system and found the weld on the support bracket of the exhaust pipes was cracked and wore a hole between the pipe and the bracket."