{"nhtsa_id":10143439,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-06-12","document_id":"PIP5335B","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143439-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143439-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143439","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":["P0340","P0341"],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_cadillac_escalade","2016_cadillac_escalade","2017_cadillac_escalade","2018_cadillac_escalade"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2015,"year_to":2016,"match":"base","vehicle_ids":["2015_chevrolet_silverado","2016_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_chevrolet_tahoe","2016_chevrolet_tahoe","2017_chevrolet_tahoe","2018_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_gmc_sierra"]},{"make":"GMC","model":"SIERRA 1500","year_from":2014,"year_to":2016,"match":"base","vehicle_ids":["2014_gmc_sierra","2015_gmc_sierra","2016_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2018,"year_to":2018,"match":"base","vehicle_ids":["2018_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI","year_from":2015,"year_to":2018,"match":"base","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]},{"make":"GMC","model":"YUKON DENALI XL","year_from":2015,"year_to":2018,"match":"base","vehicle_ids":["2015_gmc_yukon","2016_gmc_yukon","2017_gmc_yukon","2018_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2014,"year_to":2014,"match":"base","vehicle_ids":["2014_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2015,"year_to":2018,"match":"exact","vehicle_ids":["2015_gmc_yukon-xl","2016_gmc_yukon-xl","2017_gmc_yukon-xl","2018_gmc_yukon-xl"]}],"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":[]}