{"nhtsa_id":10221631,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-07-27","document_id":"S2118000011","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR:INTEGRATED STARTER(OTHER THAN PROPULSION)","mfr_system":null,"summary":"Diagnostic Trouble Code (DTC) P049B ? EGR B Insufficient Flow Detected, Additional Diagnostics.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221631-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221631-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221631","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":["P049B"],"topics":[],"vehicles":[{"make":"JEEP","model":"GLADIATOR","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_jeep_gladiator"]},{"make":"JEEP","model":"WRANGLER","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_jeep_wrangler","2021_jeep_wrangler"]},{"make":"RAM","model":"1500","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_ram_1500","2021_ram_1500"]}],"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":[]}