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Service bulletin 4394

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 id10021691
Published by NHTSA2007-06-15
Manufacturer's number4394
Replaces4394A
NHTSA componentSTRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS

NHTSA's summary

LIFTGATE MODULE REPLACEMENT. *KB

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

Body and frame

Vehicles listed
BUICK RAINIER2006, 2007
CHEVROLET TRAILBLAZER2006
CHEVROLET TRAILBLAZER 3602007 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY2006
GMC ENVOY 3602007 (the catalog's model; the bulletin names a series or trim of it)
SAAB 9-7X2006, 2007

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
14309A2024-01-16. Service bulletin. Driver Door Switch Short Circuit
143092024-01-16. Service bulletin. Driver Door Switch Short Circuit
12180F2023-12-04. Service bulletin. Driver Door Switch Short Circuit
12180E2023-12-04. Service bulletin. Driver Door Switch Short Circuit
12180D2023-12-04. Service bulletin. Driver Door Switch Short Circuit
12180C2023-12-04. Service bulletin. Driver Door Switch Short Circuit
12180B2023-12-04. Service bulletin. Driver Door Switch Short Circuit
12180A2023-12-04. Service bulletin. Driver Door Switch Short Circuit
113232023-12-04. Service bulletin. Special Coverage Adjustment ? Driver Door Switch Short Circuit
PIP5358B2022-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.