{"nhtsa_id":10190267,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-14","date":"2017-10-01","document_id":"17-NA-219","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set: • U029D • U029E • P249D • P249E Note: The graphic above depicts an example of a torn and missing seal. • Moisture intrusion past a damaged (1) seal located in the connector for the NOx sensor wiring harness. • Missing (2) seal located in the connector for the NOx sensor wiring harness. Correction If you encounter a vehicle with the above concern, perform normal diagnostics for the codes set. ⇒ If diagnostics lead to NOx sensor replacement, inspect the mating chassis electrical connector for corrosion. Clean and repair as necessary.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190267-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190267-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190267","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":["P249D","P249E","U029D","U029E"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_chevrolet_colorado","2017_chevrolet_colorado","2018_chevrolet_colorado"]},{"make":"CHEVROLET","model":"EXPRESS","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_chevrolet_express","2018_chevrolet_express"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_chevrolet_silverado","2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_chevrolet_silverado","2018_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_chevrolet_silverado","2018_chevrolet_silverado"]},{"make":"GMC","model":"CANYON","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_gmc_canyon","2017_gmc_canyon","2018_gmc_canyon"]},{"make":"GMC","model":"SAVANA","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_gmc_savana","2018_gmc_savana"]},{"make":"GMC","model":"SAVANNA","year_from":2018,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SIERRA 1500","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_gmc_sierra","2018_gmc_sierra"]},{"make":"GMC","model":"SIERRA 2500","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_gmc_sierra","2018_gmc_sierra"]},{"make":"GMC","model":"SIERRA 3500","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_gmc_sierra","2018_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2017,"year_to":2018,"match":"base","vehicle_ids":["2017_gmc_sierra","2018_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":[]}