Affected Component: TRAILER HITCHES

Date Published
APR 08, 2016
NHTSA TSB #
10183760
TSB Document
Summary
Some 2011-2015 F-59 Commercial Stripped Chassis vehicles built on or before 5/29/2015 may experience hazard lighting, turn signal operation or trailer tow (TT) lighting that is not functioning properly. Vehicle vibrations may internally damage the relays that control the lighting circuits.