{"nhtsa_id":10139777,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2014-10-07","document_id":"18-052-14","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel.Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (Mil) Illumination For: P2281 - Air Leak Between MAF And Throttle Body. U1421 - Implausible Ignition Key Off Time Received. P026B - Injection Timing Performance.Other Software Improvements: Charging system improvements for dual alternator applications. Torque increase to 865 ft/lbs (D2 vehicles equipped with the Aisin transmission sales code DF2 only) Fuel Filter Minder calibration changes. wiTECH Fuel Pressure Override and Fuel System Run Up test improvements","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139777-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139777-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139777","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P026B","P2281","U1421"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_ram_2500"]},{"make":"RAM","model":"3500","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_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":[]}