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Service bulletin 040402

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 id10013114
Published by NHTSA2005-04-08
Manufacturer's number040402
Manufacturer's date2004-01-01
Replaces041816
NHTSA componentSEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

NHTSA's summary

CLIMATE CONTROLLED SEATS TURNING OFF SHORTLY AFTER INITIALIZATION - DIAGNOSTIC TROUBLE CODES B2729, B2730, B2731. *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

Seats

Trouble codes named

B2729, B2730, B2731

Vehicles listed
LINCOLN LS2003, 2004

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
175412004-07-22. Service bulletin. FRONT SEATBACK TRIM PANEL J-HOOK FAILURE IN HIGH AMBIENT TEMPERATURES. *MJ
031332003-10-29. Service bulletin. ONE OR BOTH CLIMATE CONTROLLED SEATS TURNING OFF SHORTLY AFTER INITIALIZATION WITH DIAGNOSTIC TROUBLE CODE B2729 (CUSHION OVER-TEMP DETECTED) PRESENT IN THE CLIMATE CONTROLLED SEAT MODULE (CCSM). DIAGNOSTIC TROUBLE CODE B2731 (DIFFERENTIAL TEMPERATURE FAULT) MAY OR MAY NOT BE PRESENT. *TT