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Service bulletins for the 2007 Chevrolet Silverado

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.

1617 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Turn signals are shown. Show all

Bulletins, newest first
07-08-42-006J2018-05-21. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. This informational bulletin provides information for an available BCM calibrations that would restore bulb outages when using a second stage manufacturer
07-08-42-006K2018-05-21. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
SB-07-08-42-006G2016-04-26. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-070842006C2009-10-23. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. GENERAL MOTORS: BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STATE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). MAY NEED TO HAVE BODY CONTROL MODULE (BCM) REAR TURN SIGNAL BULB OUTAGE DETECTION CAPABILITY CHANGED. *PE UPDATED 5/20/11. *PE
PIT-4696A2008-12-04. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER:MOTOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; INTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT; VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING. GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH TURN TOW UNLOCK UNWANTED WINDOW. MAY BE DUE TO INTERNAL BCM DAMAGE. *PE
SB-07-08-42-006H2008-08-29. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. INFORMATION ON BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STAGE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). CHASSIS CAB MODELS AND PICKUPS WITH BOX DELETE OPTION ONLY (RPO ZW9). *PE UPDATED 4/3/2012. *PE MODELS 2007-13 SILVERADO; SIERRA. UPDATED 11/28/12. *PE UPDATED 1/24/13. *PE UPDATED 09/03/14*LJ UPDATED 12/5/14. PE
PIT46042008-04-23. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED. *NJ UPDATED 8/25/08. *PE
41312007-12-10. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. RIGHT FRONT TURN SIGNAL INOPERATIVE. *NJ
0708420132007-11-02. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ
0708420032007-04-04. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. TURN SIGNALS HAVE INCREASED FLASH RATE (REPROGRAM BCM). *KB
41812007-01-26. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. TURN SIGNAL FLASHES FAST. *KB

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.