{"nhtsa_id":10089827,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-30","date":"2015-08-12","document_id":"15115","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"15115 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM AND UPDATE THE GLOW-PLUG CONTROL MODULE WITH NEW SOFTWARE ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD CREW, HD CREW LTZ, HD REGULAR, HD EXT, HD EXT LTZ VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML) AND CERTAIN 2015 MODEL YEAR GMC SIERRA HD CREW, HD CREW DENALI, HD REGULAR, HD EXT VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML). THE SOFTWARE UPDATE LIMITS THE INTAKE-AIR HEATER INPUT VOLTAGE TO 13.5V. WHEN THE SYSTEM VOLTAGE EXCEEDS 13.5V, THE HEATER’S FIELD-EFFECT TRANSISTOR CAN GENERATE EXCESSIVE HEAT. THIS HEAT CAN CAUSE A SHORT CIRCUIT IN THE TRANSISTOR AND, IN RARE CASES, A FIRE IN THE VEHICLE’S ENGINE COMPARTMENT.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089827","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2015,"year_to":2015,"match":"base","vehicle_ids":["2015_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":[]}