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Service bulletin 10-08-42-001C

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 id10043847
Published by NHTSA2012-04-30
Manufacturer's number10-08-42-001C
Manufacturer's date2014-11-01
ReplacesSB-10-08-42-001D
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's 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

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

Lighting, Headlights

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011
CADILLAC CTS2008, 2009, 2010, 2011
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE ESV2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2010, 2011
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011
CHEVROLET EQUINOX2010, 2011
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET MALIBU2008, 2009, 2010, 2011
CHEVROLET SILVERADO2007, 2008, 2009, 2010, 2011
CHEVROLET SUBURBAN2007, 2008, 2009, 2010, 2011
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011
CHEVROLET TRAVERSE2009, 2010, 2011
GMC ACADIA2007, 2008, 2009, 2010, 2011
GMC SIERRA2007, 2008, 2009, 2010, 2011
GMC TERRAIN2010, 2011
GMC YUKON2007, 2008, 2009, 2010, 2011
GMC YUKON DENALI2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2009, 2010, 2011
PONTIAC G62006, 2007, 2008, 2009, 2010
SATURN AURA2007, 2008, 2009, 2010
SATURN OUTLOOK2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
22V1370002022-03-08. EXTERIOR LIGHTING:HEADLIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIT6002A2024-03-18. Service bulletin. This Preliminary information communicates concerns with dtc U1521 after replacing the headlamp
PIT4817D2023-12-26. Service bulletin. Intellibeam High Beam Control Testing.
PIT4817D2023-11-20. Service bulletin. Intellibeam High Beam Control Testing.
PIT3219F2019-06-10. Service bulletin. This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
PIT3219E2018-05-21. Service bulletin. This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
02-08-42-001I2017-08-31. Service bulletin. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
01-08-42-001K2017-08-31. Service bulletin. This informational bulletin provides information on exterior lamp condinsation and replacement guidelines
PIT3098E2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim.
10-08-42-001E2017-08-15. Service bulletin. This technical bulletin provides repair information for low beam headlamp bulb diagnosis/replacement to correct a customer concern that the low beam headlamp is inoperative.
PIT4817D2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician how to test the Intellibeam High Beam Control system during daylight hours. The only way to properly test the Intellibeam system is at night time with the vehicle moving.