{"nhtsa_id":11035977,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-06","date":"2026-08-01","document_id":"08-302-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● U1057-00 - High Speed Fd-Can3 Communication Bus Performance. Customers may also comment on the following: ● If the vehicle has a low or drained battery and requires a jump start, once jump started, the vehicle will not shift out of Park. This bulletin involves reprogramming the ESM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035977-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11035977-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11035977","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["U1057"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_ram_2500"]},{"make":"RAM","model":"3500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_ram_3500"]},{"make":"RAM","model":"4500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_ram_4500"]},{"make":"RAM","model":"5500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_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":[]}