GMC TSB #SB-070842006C
2009 GMC Sierra
Affected Component: EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# SB-070842006C.
- Summary
- 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