Affected Component: ELECTRICAL SYSTEM

Date Published
AUG 30, 2016
NHTSA TSB #
10083369
TSB Document
Summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT WHEN PROGRAMING THE IMMOBILIZER THEFT LEARN IT MAY NOT COMPLETE AND/OR SHOW "CONTROLLER ID NOT SUPPORTED" AFTER THE FIRST FEW MINUTES INTO THE LEARN EVENT. TECHNICIAN WILL NEED TO REMOVE POWER FROM THE ONSTAR MODULE BEFORE PERFORMING A IMMOBILIZER THEFT LEARN.