Affected Component: ELECTRICAL SYSTEM

Date Published
JUL 23, 2018
NHTSA TSB #
10148492
TSB Document
Summary
Issue:  A customer may report an audible sound (groan type noise) from under bonnet immediately after the vehicle is unlocked and the vehicle stationary.  The sound will extinguish after several seconds and is generated by the Acoustic Vehicle Alert System (AVAS) sounder fitted to Plug-in Hybrid Electric vehicles (PHEV).  The AVAS is located behind the grille at the front of the vehicle.