Service bulletins for the 2003 Lincoln Navigator
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.
150 on file from NHTSA, as of 2026-10-19.
About B2721 on the 2003 Lincoln Navigator: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B2721 are shown. Show all
| 18398 | 2005-04-05. Service bulletin. ELECTRICAL SYSTEM. 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. EQUIPMENT:ELECTRICAL. A DIAGNOSTIC TROUBLE CODE (DTC) B2721 (LIFTGATE/DECKLID AJAR OUTPUT SHORT TO GROUND OR OPEN) IN THE POWER LIFTGATE MODULE. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.