GMC TSB #N192267990
2020 GMC Sierra 2500
Affected Component: STRUCTURE:BODY
- N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Dealers are to replace the air inlet grille panel assembly.