{"nhtsa_id":10055425,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-05-20","date":"2014-04-01","document_id":"PIT-5125-A","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:TURN SIGNAL","mfr_system":null,"summary":"GM: INFORMATION CONCERNING THE PROPER OPERATION OF THE STOP AND/OR TURN SIGNALS. THERE ARE TWO DIFFERENT WAYS THE BCM CAN BE CALIBRATED FOR STOP AND TURN SIGNAL OPERATION. ASO INCLUDED CHEVROLET EXPRESS CUTAWAY VAN MODEL YEARS 2009-2014 AND GMC SAVANA CUTAWAY VAN MODEL YEARS 2009-2014. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10055425","components":[{"id":"lighting","name":"Lighting","parent":null},{"id":"turn-signal","name":"Turn signals","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CHEVROLET","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}