{"nhtsa_id":10197312,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-06-14","date":"2021-05-26","document_id":"PIT5125F","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and turn signal and circuit 619 dark green is for the right stop and turn signal. For vehicles with Regular Production Option Code V4D circuit 618 yellow is for the left turn signal only. Circuit 619 dark green is for the right turn signal only and circuit 1320 light blue is for the stop lamps only.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10197312-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10197312-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10197312","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2009,"year_to":2012,"match":"exact","vehicle_ids":["2009_chevrolet_express","2010_chevrolet_express","2011_chevrolet_express","2012_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2014,"year_to":2021,"match":"exact","vehicle_ids":["2014_chevrolet_express","2015_chevrolet_express","2016_chevrolet_express","2017_chevrolet_express","2018_chevrolet_express","2019_chevrolet_express","2020_chevrolet_express","2021_chevrolet_express"]},{"make":"CHEVROLET","model":"EXPRESS CUTAWAY","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2009,"year_to":2021,"match":"exact","vehicle_ids":["2009_gmc_savana","2010_gmc_savana","2011_gmc_savana","2012_gmc_savana","2013_gmc_savana","2014_gmc_savana","2015_gmc_savana","2016_gmc_savana","2017_gmc_savana","2018_gmc_savana","2019_gmc_savana","2020_gmc_savana","2021_gmc_savana"]}],"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":[]}