{"nhtsa_id":10159919,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-20","date":"2015-11-07","document_id":"18-041-15 REV A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one of more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). ? U110E - Lost Ambient Temperature Message. ? P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. ? P2281 - Air Leak Between MAF And Throttle Body. ? P1477 - Intake Air Diverter Valve Position Sensor Circuit Shorted To Ground. ? U1421 - Implausible Ignition Key Off Time Received. ? P026B - Injection Timing Performance. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release. ? SCR Efficiency scan tool test improvement. ? 68RFE Transmission Shift Quality Improvements for low speed First to Neutral and Neutral to First (Garage Shifts). ? Charging system improvements for single alternator applications (Changes the cutout threshold from 600 to 500 RPM). ? Diesel Exhaust Fluid (DEF) system calibration improvement during Stationary Regeneration. ? Cold idle speed stability improvement. ? 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/2015/MC-10159919-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10159919-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10159919","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P026B","P1477","P205E","P20E8","P2281","U110E","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":[]}