Mazda B-Series Truck 1991–1999 — technical service bulletin
Bulletin 01499 · NHTSA communication 6089288 · issued Nov 10, 1999
Technical service bulletin
communication type
Equipment
component
1991–1999
model years
10
vehicle entries
Official summary
Vehicles may exhibit a whining or buzzing noise coming from the radio system speakers. *tt
Vehicles covered
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.