Exhaust Fumes Or Odor In Cabin Or In the Engine Compartment – 2020-2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10205586 Manufacturer Communication Number: 21NA267 Summary This bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.   Condition Customer concern of smoke or exhaust fumes/odor in the cabin or exhaust fumes/odor outside the cabin.   Cause This condition may be caused by an improper weld on … Read more