CHEVROLET, GMC

24-NA-128

2024-07-12 · NHTSA 11005309

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 informational bulletin provides information for dealers/technicians on Powertrain Control Module Fails Key Provisioning/Serial Data Authentication Configuration and Sets DTC U1962.

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.