# Service bulletin 07\-08\-42\-006K 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. - Type: Service bulletin - NHTSA id: 10137235 - Published by NHTSA: 2018\-05\-21 - Manufacturer's number: 07\-08\-42\-006K - Manufacturer's date: 2015\-11\-12 - NHTSA component: EXTERIOR LIGHTING:TURN SIGNAL ## NHTSA's summary 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. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10137235-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10137235-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Lighting, Turn signals ## Vehicles listed - 2007 to 2011 CHEVROLET SILVERADO 1500 - 2007 to 2016 CHEVROLET SILVERADO 2500 - 2013 CHEVROLET SILVERADO 3500 - 2007 to 2016 GMC SIERRA 2500 - 2007 to 2013 GMC SIERRA DENALI - 2015 to 2016 GMC SIERRA DENALI ## Other bulletins for the same vehicles and component - [07\-08\-42\-006J](/bulletins/10137798.md), 2018-05-21, 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 - [PIE0380C](/bulletins/10137350.md), 2018-05-21, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Both Front Low Beam, High Beam, Day Time Running Lamps \(DRL\) and Turn Signals Inoperative. - [PIE0380B](/bulletins/10134601.md), 2018-04-23, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:HEADLIGHTS. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Both Front Low Beam, High Beam, Day Time Running Lamps \(DRL\) and Turn Signals Inoperative. - [PI1268A](/bulletins/10113733.md), 2017-08-15, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL. This preliminary informational bulletin provides repair information for a customer concern of dome lamps flash/flicker on and off when operating brake pedal or turn signal. - [15\-08\-70\-001](/bulletins/10113693.md), 2017-08-15, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. This technical bulletin provides repair information to correct a customer concern that the driver's outside wide load mirror turn signal is too bright. - [SB\-07\-08\-42\-006G](/bulletins/10062501.md), 2016-04-26, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. SUMMARY TO BE PROVIDED ON A FUTURE DATE. - [SB\-070842006C](/bulletins/10030591.md), 2009-10-23, 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\-4814](/bulletins/10030211.md), 2009-08-19, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:TAIL LIGHTS. GMC/CHEVROLET: THE LEFT OR RIGHT REAR TAIL, STOP AND/OR TURN SIGNAL LAMPS ARE INTERMITTENTLY INOPERATIVE, OR THE TURN SIGNAL FLASHES FAST. \*PE - [PIT\-4696A](/bulletins/10026701.md), 2008-12-04, 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\-006H](/bulletins/10025682.md), 2008-08-29, 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 JSON: [/v1/bulletins/10137235](/v1/bulletins/10137235) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2007-08-42-006K&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10137235&vehicle=Service%20bulletin%2007-08-42-006K)