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B1994 on the 2001 Mercury Sable

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1994
148122001-05-23. Service bulletin. SOME VEHICLES EQUIPPED WITH SIDE SEAT AIR BAGS BUILT PRIOR TO JUNE 1, 2001 MAY EXHIBIT AN AIR BAG LAMP ON WITH DIAGNOSTIC TROUBLE CODE B1994 AND / OR B1998 (OPEN / HIGH RESISTANCE IN THE DRIVER / PASSENGER SIDE SEAT AIR BAG CIRCUITS). *TT
146662001-05-17. Service bulletin. SOME VEHICLES EQUIPPED WITH SEAT SIDE AIR BAGS MAY EXHIBIT A DIFFICULT TO DIAGNOSE AIR BAG LAMP ON WITH DIAGNOSTIC TROUBLE CODE B1994 OR B1998 (OPEN / RESISTANCE IN THE DRIVER / PASSENGER SEAT AIR BAG CIRCUIT). *TT

2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.