Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# SB-07-08-42-006H.
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
