{"nhtsa_id":10161363,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-06-24","date":"2019-05-31","document_id":"N192212610","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado 4500/5500/6500 vehicles may have a Power Take Off (PTO) connector that has inadequate protection against water/debris intrusion. Over time, this could affect the function of the upfit (if so equipped) and the vehicle may exhibit reduced engine power and/or fail to restart. Replace the engine wire harness and PTO Module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161363-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161363-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10161363","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 6500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"CHEVROLET","model":"duplicate SILVERADO 5500","year_from":2019,"year_to":2019,"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":[]}