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Service bulletin 99121

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 id606435
Published by NHTSA1999-08-20
Manufacturer's number99121
Manufacturer's date1999-06-14
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SUBJECT REGARDING THE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED AND DIAGNOSTIC TROUBLE CODES (DTCS) P0300, P0302, P0303, P0304, P0305, AND / OR P0306 STORED IN MEMORY. *TT

The document

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

Trouble codes named

P0300, P0302, P0303, P0304, P0305, P0306

Vehicles listed
FORD CONTOUR1998
MERCURY MYSTIQUE1998

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