{"nhtsa_id":10139263,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-04","date":"2018-01-29","document_id":"PIE0406A","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW","mfr_system":null,"summary":"This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Rear Defogger Grid Inoperative and/or Will Not Defog Rear Window Properly","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10139263-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10139263-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139263","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_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":[]}