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Service bulletin 996111

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 id606975
Published by NHTSA1999-09-09
Manufacturer's number996111
Manufacturer's date1999-05-01
NHTSA componentUNKNOWN OR OTHER; EXTERIOR LIGHTING

NHTSA's summary

SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT (MIL) AND DIAGNOSTIC TROUBLE CODE (DTC) P1633 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.

Components

Lighting

Trouble codes named

P1633

Vehicles listed
FORD ESCORT1999
FORD ZX2 (ESCORT)1999 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
021762004-08-05. Service bulletin. LAMP-BRAKE-INVADVERTENT DISABLING OF BRAKE SHIFT INTERLOCK. *MJ
127752000-11-03. Service bulletin. SUBJECT REGARDING MULTI-FUNCTION SWITCH. *TT
991391999-08-26. Service bulletin. CONDITIONS WITH THE BRAKE LAMPS INADVERTENTLY DISABLING THE BRAKE SHIFT INTERLOCK. *TT