B2721 on the 2004 Lincoln Navigator
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.
| 18398 | 2005-04-05. Service bulletin. A DIAGNOSTIC TROUBLE CODE B2721 (LIFTGATE/DECKLID AJAR OUTPUT SHORT TO GROUND OR OPEN) IN THE POWER LIFTGATE MODULE, WITHOUT ANY ASSOCIATED SYMPTOMS - SERVICE TIP. *TT |
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| 17373 | 2004-07-23. Service bulletin. A DIAGNOSTIC TROUBLE CODE (DTC) B2721 (LIFTGATE/DECKLID AJAR OUTPUT SHORT TO GROUND OR OPEN) IN THE POWER LIFTGATE MODULE. *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.