{"nhtsa_id":11029754,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-24","document_id":"09-003-26","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Cummins 6.7L Air Filter Replacement DTC P0299 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0299-00 - Turbocharger Underboost. Customers may also comment on the following: ● Low power/acceleration or lag condition. This bulletin involves performing an Air Handling Performance Test (APT) and possibly replacing the air filter.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029754-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029754-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029754","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0299"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2019,"year_to":2024,"match":"exact","vehicle_ids":["2019_ram_2500","2020_ram_2500","2021_ram_2500","2022_ram_2500","2023_ram_2500","2024_ram_2500"]},{"make":"RAM","model":"3500","year_from":2019,"year_to":2024,"match":"exact","vehicle_ids":["2019_ram_3500","2020_ram_3500","2021_ram_3500","2022_ram_3500","2023_ram_3500","2024_ram_3500"]}],"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":[]}