{"nhtsa_id":10083382,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-24","date":"2016-08-30","document_id":"PIT5221A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT HAVE A SERVICE TRAILER BRAKE MESSAGE ON THE DRIVER INFORMATION CENTER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE C111B, C1112, C1113, AND/OR C1114 SET. TECHNICIAN SHOULD CHECK THE BATTERY STATE OF HEALTH SHOULD BE CHECKED USING THE EL-50313 MIDTRONICS® GR8 BATTERY CHARGER/TESTER BEFORE ANY IN DEPTH DIAGNOSTICS.","document":null,"url":"https://open.wenmarpro.com/bulletins/10083382","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":["C1112","C1113","C1114","C111B"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_sierra"]}],"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":[]}