Affected Component: EXTERIOR LIGHTING

Date Published
MAR 02, 2022
NHTSA TSB #
10209135
TSB Document
Summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Driver Headlamp Stays On When Vehicle is Shut Off, Headlamp will Change in Color, Turn Signal Flickers and/or Stays On, GMC Logo Does Not Illuminate.