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TSB: BUICK ACADIA, AURA, AVALANCHE, CTS, ENCLAVE, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, G6, IMPALA, MALIBU, OUTLOOK, SIERRA, SILVERADO, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2006–2011)

Bulletin 10-08-42-001C — November 1, 2014

Bulletin Details

Bulletin ID10-08-42-001C
ManufacturerBUICK
ModelsACADIA, AURA, AVALANCHE, CTS, ENCLAVE, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, G6, IMPALA, MALIBU, OUTLOOK, SIERRA, SILVERADO, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL
Model Years2006–2011
Date IssuedNovember 1, 2014
Date Added to NHTSAApril 30, 2012
ComponentEXTERIOR LIGHTING:HEADLIGHTS
Vehicles Affected103 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

GM: LOW BEAM HEADLAMP BULB DIAGNOSIS/ REPLACEMENT (INSPECT BULB AND CONNECTOR). DO NOT REPLACE THE ENTIRE HEADLAMP ASSEMBLY FOR THIS CONDITION. REPLACE THE BULB AND INSPECT THE CONNECTOR. *JS UPDATED 4/7/15. *PE

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET AVALANCHE 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC CTS 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
BUICK ENCLAVE 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET EQUINOX 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE ESV 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE EXT 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET IMPALA 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET MALIBU 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC SIERRA 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SILVERADO 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC SRX 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SUBURBAN 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TAHOE 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC TERRAIN 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TRAVERSE 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI XL 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON XL 2011 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC ACADIA 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN AURA 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET AVALANCHE 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC CTS 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
BUICK ENCLAVE 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET EQUINOX 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE ESV 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE EXT 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
PONTIAC G6 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET IMPALA 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET MALIBU 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN OUTLOOK 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC SIERRA 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SILVERADO 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC SRX 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SUBURBAN 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TAHOE 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC TERRAIN 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TRAVERSE 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI XL 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON XL 2010 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC ACADIA 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN AURA 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET AVALANCHE 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC CTS 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
BUICK ENCLAVE 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE ESV 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE EXT 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
PONTIAC G6 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET IMPALA 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET MALIBU 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN OUTLOOK 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC SIERRA 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SILVERADO 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SUBURBAN 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TAHOE 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TRAVERSE 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI XL 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON XL 2009 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC ACADIA 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN AURA 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET AVALANCHE 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC CTS 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
BUICK ENCLAVE 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE ESV 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE EXT 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
PONTIAC G6 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET IMPALA 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET MALIBU 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN OUTLOOK 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC SIERRA 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SILVERADO 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SUBURBAN 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TAHOE 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI XL 2008 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC ACADIA 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN AURA 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET AVALANCHE 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE ESV 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CADILLAC ESCALADE EXT 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
PONTIAC G6 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET IMPALA 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
SATURN OUTLOOK 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC SIERRA 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SILVERADO 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET SUBURBAN 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET TAHOE 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
GMC YUKON DENALI XL 2007 121000 EXTERIOR LIGHTING:HEADLIGHTS
PONTIAC G6 2006 121000 EXTERIOR LIGHTING:HEADLIGHTS
CHEVROLET IMPALA 2006 121000 EXTERIOR LIGHTING:HEADLIGHTS

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (10-08-42-001C) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

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Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.

Back to All TSBs