Certain units of the 2023 through 2024 GMC Sierra 1500 pickup motivated by the turbocharged 2.7L I4 L3B gasoline engine are included in a new GM Service Update containing a fix available for a fuel ...
The General has issued a service bulletin describing a fix for certain units of the 2021 Cadillac CT4 compact luxury sedan that may be affected by an incorrectly calibrated Engine Control Module (ECM) ...