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Service bulletin 3334A

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 id10017127
Published by NHTSA2005-10-25
Manufacturer's number3334A
NHTSA componentSEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

NHTSA's summary

B3606 HEATED SEAT(S) INOPERATIVE AND/OR ADJUSTABLE PEDALS DO NOT RECALL. *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

Vehicles listed
BUICK RAINIER2004, 2005
CHEVROLET TRAILBLAZER2004, 2005
GMC ENVOY2004, 2005

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
33342005-10-27. Service bulletin. B3606 HEATED SEAT(S) INOPERATIVE AND/OR ADJUSTABLE PEDALS DO NOT RECALL POSITION. *SC
33512005-04-20. Service bulletin. HEATED SEAT OPERATION CLARIFICATION. *TT
0409400032005-01-12. Service bulletin. AVAILABILITY OF REAR SEAT SHOULDER BELT COMFORT GUIDES. *EH
00877A2004-07-19. Service bulletin. INTERMITTENT LACK OF HEAT IN 2ND AND 3RD ROW SEATING POSITIONS. *TT