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Service bulletin 08134

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 id10026505
Published by NHTSA2008-11-04
Manufacturer's number08134
Manufacturer's date2008-06-01
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. VEHICLES EQUIPPED WITH AN AM/FM STEREO WITH CD/MP3 PLAYER MAY HAVE A CONDITION WHERE THE RADIO MAY DRAIN THE VEHICLE'S BATTERY. CSC LETTER. *PE

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

Electrical system, 12-volt battery

Vehicles listed
CHEVROLET COLORADO2008
CHEVROLET TRAILBLAZER2008
GMC CANYON2008
GMC ENVOY2008

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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