Lincoln LS 2003 — technical service bulletin
Bulletin 03133 · NHTSA communication 10003728 · issued Mar 8, 2004
Technical service bulletin
communication type
Seats
component
2003
model years
1
vehicle entries
Official summary
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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.