WenmarOpen by Wenmar Pro

Service bulletin TSB-08259A

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 id10028179
Published by NHTSA2009-03-13
Manufacturer's numberTSB-08259A
Manufacturer's date2008-11-01
NHTSA componentELECTRICAL SYSTEM:WIRING; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

NHTSA's summary

BUICK CADILLAC CHEVROLET GMC PONTIAC SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ONSTAR SYSTEM INOPERATIVE; REPLACE ONSTAR MODULE. SOME VEHICLES MAY HAVE AN ONSTAR MODULE WITH A COMPONENT THAT WAS NOT MANUFACTURED TO GM'S SPECIFICATION. CAN RESULT IN AN OPEN CIRCUIT AND AN INABILITY TO CALL OR RECEIVE CALLS FROM ONSTAR. CSC LETTER WAS RECEIVED. *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, Equipment and accessories, Wiring and fuses

Vehicles listed
BUICK ENCLAVE2009
CADILLAC CTS2008, 2009
CADILLAC ESCALADE2009
CADILLAC ESCALADE ESV2009 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2009 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2009
CADILLAC STS2009
CADILLAC XLR2009
CHEVROLET AVALANCHE2009
CHEVROLET COBALT2009
CHEVROLET CORVETTE2009
CHEVROLET EQUINOX2009
CHEVROLET HHR2009
CHEVROLET SILVERADO2009
CHEVROLET SUBURBAN2009
CHEVROLET TAHOE2009
CHEVROLET TRAVERSE2009
GMC ACADIA2009
GMC SIERRA2009
GMC YUKON2009
GMC YUKON XL2009
PONTIAC G52009
PONTIAC SOLSTICE2009
PONTIAC TORRENT2009
SATURN OUTLOOK2009
SATURN SKY2009
SATURN VUE2009

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
PIT4534D2023-12-26. Service bulletin. Diagnostic Tip - Driver Information Center (DIC) Switch Buttons Are Inoperative.
1300890082023-12-11. Service bulletin. GM Wiring Repair Strategy Information
100089005G2019-05-13. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
100089005H2019-03-18. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
10-00-89-005C2018-06-04. Service bulletin. This informational bulletin is a revision for 10-00-89-005B to add the 2014 model year and labor codes.
07-08-59-007A2018-05-29. Service bulletin. This technical bulletin provides a procedure to quite the wiring harness to the doors by apply squeak reduction tape on the A and B pillars to correct the customers concern of the doors squeaking when opening or closing them.
10-00-89-005E2018-05-21. Service bulletin. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
13-00-89-008A2018-05-07. Service bulletin. This informational bulletin communicates GM wiring repair strategy information.
09-08-45-004C2018-04-23. Service bulletin. This informational bulletin provides information on additional (PDI) steps and inventory considerations.
13-08-116-0012018-04-16. Service bulletin. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.