Mitsubishi Galant 1999–2001 — technical service bulletin
Bulletin 011001 · NHTSA communication 627227 · issued Oct 1, 2001
Technical service bulletin
communication type
Electrical System
component
1999–2001
model years
3
vehicle entries
Official summary
Customers may complain of a buzzing mfi relay when the headlights are on with the ignition switch off.*jb
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.