Affected Component: ELECTRICAL SYSTEM

Date Published

APR 20, 2021

NHTSA TSB #

10194126

TSB Document

• MC-10194126-9999.pdf

Summary

Service Update - Certain 2021 model year Buick Envision vehicles have a condition where the transmission control module, (TCM), could drain the battery if the battery has previously been disconnected / reconnected. Program the transmission control module (TCM).