{"nhtsa_id":11016290,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-04-02","date":"2025-03-27","document_id":"08-087-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":"Ignition System Control Module","summary":"\"Flash: Ignition System Control Module (ISCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mustexhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0305-00 - Cylinder 5 Misfire. ● P0306-00 - Cylinder 6 Misfire. ● P0420-00 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430-00 - Catalyst System Efficiency Below Threshold Bank 2. Customers may also comment on the following: ● Engine misfires. ● Damage to catalyst. This bulletin involves inspecting and possibly reprogramming the ISCM and the Powertrain Control Module (PCM) with the latest available software.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016290-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11016290-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11016290","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0305","P0306","P0420","P0430"],"topics":[],"vehicles":[{"make":"RAM","model":"1500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_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":[]}