Poor Engine Performance in Extremely Cold Weather Conditions for LSY Engines, Charge Air Cooler Icing, Malfunction Indicator Lamp (MIL) Illuminated – 2019-2021 Cadillac XT4
NHTSA ID Number: 10205561 Manufacturer Communication Number: 21NA229 Summary This service bulletin provides a procedure to install a winter grille cover to correct the customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing, Malfunction Indicator Lamp (MIL) Illuminated. 3 Affected Products Vehicle MAKE MODEL YEAR CADILLAC XT4 2019-2021 … Read more