WenmarOpen by Wenmar Pro

Service bulletin 3170E

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 id10019186
Published by NHTSA2006-02-16
Manufacturer's number3170E
NHTSA componentINTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2

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
CHEVROLET BLAZER1999, 2000, 2001, 2002, 2003, 2004
CHEVROLET BUS CHASSIS1999
CHEVROLET C PICKUP1999 to 2000
CHEVROLET C SERIES1999 to 2002
CHEVROLET C SERIES (MEDIUM)1999 to 2001
CHEVROLET C/K CHASSIS CAB1999 to 2001
CHEVROLET C/K PICKUPS1999 to 2002
CHEVROLET C/K SERIES2000 to 2003
CHEVROLET C/K UTILITY2000 to 2001
CHEVROLET C11999
CHEVROLET C101999
CHEVROLET C102001
CHEVROLET C201999 to 2001
CHEVROLET C32001 to 2002
CHEVROLET C301999
CHEVROLET C45002003
CHEVROLET C55002003
CHEVROLET C65001999 to 2002
CHEVROLET C6H0422001
CHEVROLET C75001999 to 2002
CHEVROLET CAMARO1999, 2000, 2001, 2002
CHEVROLET CAVALIER1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET CHEVROLET1999 to 2003
CHEVROLET CHEVROLET TRUCK1999 to 2003
CHEVROLET CHEVY VAN1999 to 2001
CHEVROLET CHEVY VAN2003
CHEVROLET CLASSIC2004 to 2005
CHEVROLET COBALT2005
CHEVROLET COLORADO2004, 2005
CHEVROLET CONVENTIONAL1999 to 2001
CHEVROLET CONVENTIONAL2003
CHEVROLET CORVETTE1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET DENALI1999 to 2003
CHEVROLET ENVOY1999 to 2002
CHEVROLET EPICA2005
CHEVROLET EQUINOX2005
CHEVROLET EXPLORER1999 to 2000
CHEVROLET EXPLORER2002
CHEVROLET EXPRESS1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET EXPRESS 15002005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 25002004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET F SERIES1999 to 2001
CHEVROLET F61999 to 2001
CHEVROLET F71999 to 2001
CHEVROLET G SERIES1999 to 2003
CHEVROLET G VAN1999 to 2002
CHEVROLET G2 VAN1999
CHEVROLET G201999
CHEVROLET G251999 to 2002
CHEVROLET G3 VAN1999
CHEVROLET G301999
CHEVROLET G302001 to 2002
CHEVROLET G351999 to 2002
CHEVROLET GMT 4001999
CHEVROLET GMT 5602003 to 2005
CHEVROLET GMT 8002001 to 2002
CHEVROLET H SERIES2001
CHEVROLET IMPALA1999
CHEVROLET IMPALA2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET JIMMY1999 to 2002
CHEVROLET K PICKUP1999 to 2000
CHEVROLET K SERIES1999 to 2002
CHEVROLET K11999 to 2000
CHEVROLET K101999 to 2000
CHEVROLET K21999 to 2000
CHEVROLET K302000
CHEVROLET KODIAK2001
CHEVROLET KODIAK2003 to 2005
CHEVROLET L SERIES1999 to 2002
CHEVROLET L VAN1999 to 2002
CHEVROLET LUMINA1999, 2000, 2001
CHEVROLET LUMINA2002
CHEVROLET LUMINA APV1999, 2000, 2001 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET M SERIES1999 to 2002
CHEVROLET M VAN1999 to 2002
CHEVROLET M/L1999 to 2002
CHEVROLET M/L PICKUP2000
CHEVROLET M/L VAN2000
CHEVROLET MALIBU1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET MALIBU CLASSIC2004, 2005
CHEVROLET MALIBU MAXX2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MEDIUM DUTY1999 to 2001
CHEVROLET MONTE CARLO1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET MOTOR HOME1999 to 2000
CHEVROLET MOTOR HOME2002
CHEVROLET OPTRA2005
CHEVROLET P1999
CHEVROLET P SERIES1999 to 2002
CHEVROLET P31999
CHEVROLET PICKUP1999 to 2003
CHEVROLET PRIZM1999 to 2002
CHEVROLET R SERIES1999 to 2000
CHEVROLET S PICKUP2000 to 2002
CHEVROLET S SERIES1999 to 2002
CHEVROLET S UTILITY2000
CHEVROLET S UTILITY2002
CHEVROLET S/T SERIES1999 to 2000
CHEVROLET S/T UTILITY2000 to 2002
CHEVROLET S101999 to 2002
CHEVROLET S102004
CHEVROLET SIERRA1999 to 2003
CHEVROLET SILVERADO2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET SILVERADO 15001999, 2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25001999, 2000 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35001999, 2000, 2001, 2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN1999, 2000, 2001
CHEVROLET T PICKUP2000
CHEVROLET T SERIES1999, 2000, 2001, 2002
CHEVROLET T UTILITY1999
CHEVROLET T UTILITY2002
CHEVROLET T101999 to 2001
CHEVROLET T65002004 to 2005
CHEVROLET T75002004 to 2005
CHEVROLET T85002004 to 2005
CHEVROLET TAHOE1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET TOPKICK2002
CHEVROLET TRACKER1999, 2000, 2001, 2002, 2003, 2004
CHEVROLET TRAILBLAZER1999 to 2001
CHEVROLET TRAILBLAZER2002, 2003, 2004, 2005
CHEVROLET TRAILBLAZER 3602005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER EXT2002, 2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER EXT 3702005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRANS SPORT2000 to 2002
CHEVROLET V SERIES1999
CHEVROLET VAN1999 to 2002
CHEVROLET VENTURE1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET W SERIES1999 to 2000
CHEVROLET W-SERIES2001 to 2004
CHEVROLET W35001999 to 2001
CHEVROLET W35002003 to 2005
CHEVROLET W41999, 2000
CHEVROLET W45001999 to 2001
CHEVROLET W45002003 to 2005
CHEVROLET W51999
CHEVROLET W55001999 to 2002
CHEVROLET W55002004 to 2005
CHEVROLET YUKON1999 to 2003
CHEVROLET YUKON XL2000
CHEVROLET Z712002
CHEVROLET redundant SILVERADO 25002001
GMC ENVOY1999 to 2001
GMC ENVOY2002, 2003, 2004
MCCOY MILLER AMBULANCE2000 to 2001
MCCOY MILLER MINI MEDIC2000 to 2001
MCCOY MILLER RESQ-MEDICA1999 to 2002
MCKENZIE GRAND MEDALLION2000 to 2001
MCKENZIE LAKOTA2000 to 2003
MCKENZIE LAKOTA2005
MCKENZIE MEDALLION1999 to 2004
MCKENZIE ROGUE2001 to 2002
MCKENZIE ROUGE2001 to 2002
MCKENZIE SCD MEDALLION2004
MCNEILUS ATLANTIC RFEL2000 to 2004
OLDSMOBILE BRAVADA1999, 2000, 2001

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

Recalls for the same vehicles and component
14V2510002014-05-14. EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM:WIRING
02V1070002002-04-10. 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
131462023-12-11. Service bulletin. PSR-Low-Beam Headlamps Inoperative
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.
SB-0000191927-A2016-03-31. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-0000178781-A2016-03-31. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
46242007-12-10. Service bulletin. FINE CRACKS OR CRAZING ON HEAD LAMP LENS. *NJ
38342006-02-17. Service bulletin. HEADLAMP REPLACEMENT DUE TO MOISTURE - SERVICE VME. *TT