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Service bulletin 12158

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id613174
Published by NHTSA2000-06-19
Manufacturer's number12158
Manufacturer's date1998-11-01
NHTSA componentEQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

SOME VEHICLES EQUIPPED WITH A DUAL MEDIA RADIO MAY EXHIBIT AN INTERMITTENT OR INOPERATIVE REAR SPEAKER (GENERALLY THE RIGHT SIDE) CAUSING BY A DUAL FAULT CONDITION. *MJS

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Vehicles listed
FORD SUPER DUTY F SERIES1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.