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Cadillac TSB #21NA229
2021 Cadillac XT4
TSB Document:
Affected Component: STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL
- 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.
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