BUICK, CADILLAC

22-NA-203

2022-10-17 · NHTSA 10225610

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

This technical bulletin provides a procedure to correct the condition of Check Engine Lamp Illuminated on Driver Information Center (DIC) with DTC P0451 Set.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.