{"nhtsa_id":11028231,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-04","date":"2026-01-27","document_id":"18-004-26","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P1404 - EGR Close Position Performance. Customers may also comment on one or more of the following: ● Engine tugging. ● Unstable idle. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028231-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028231-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028231","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P1404"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_ram_2500"]},{"make":"RAM","model":"3500","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_ram_3500"]},{"make":"RAM","model":"4500","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_ram_4500"]},{"make":"RAM","model":"5500","year_from":2024,"year_to":2024,"match":"exact","vehicle_ids":["2024_ram_5500"]}],"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":[]}