CADILLAC, CHEVROLET, GMC

PIT6287A

2025-05-30 · NHTSA 11019076

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 Preliminary information communicates with dealers if they see a Service 4WD Message on with DTC U3000 SYM47 and/or SYM49 set in the TCCM, Check DTCs, Clear DTCs and advise customer engineering is working on a design improvement.

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.