CHEVROLET

24-NA-025

2024-11-21 · NHTSA 11011957

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 service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 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.