{"nhtsa_id":11018486,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-20","date":"2025-05-15","document_id":"18-020-25 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":"Powertrain Control Module","summary":"\"Flash: Powertrain Control Module (PCM) Updates Customers may comment on one or more of the following: ● Malfunction Indicator Lamp (MIL) or check engine light illuminated. ● Cruise control drops out/cancels on its own. ● Engine stumble, runs rough, or a slight lack of power. The following software enhancements are also available: ● Reduce the occurrence of false faults Diagnostic Trouble Codes (DTCs) P0300 and P0315. ● DTC P1451 re-tune to reduce false faults. ● Improvements to allow DTC P2509 faults to be cleared with wiTECH. ● Adaptive Cruise Control (ACC) software fix to prevent cruise control dropouts. ● Engine stumble fix for improved drivability ● Engine stall detection allowing DTC P032F to clear after a power cycle. ● Allow multiple PROXI rewrites. ● Enable cold re-prime (DTC P208B improvement) This bulletin involves **inspecting and possibly** reprogramming the Engine Control Module (ECM/PCM) with the latest available software\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018486-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018486-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018486","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0300","P0315","P032F","P1451","P208B","P2509"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_ram_2500"]}],"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":[]}