{"nhtsa_id":10221081,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2014-12-18","document_id":"1805314REVB","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, DIESEL; POWER TRAIN; BACK OVER PREVENTION; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING","mfr_system":null,"summary":"Flash: 6.7L Diagnostic And System Improvements Bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. They are as follows:Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From P0201 - P0206 - Fuel Injector X Circuit Open Fault Codes. U110E - Lost Ambient Temperature Message. P049D - EGR Control Position Exceeding Learning Limit. P226C - Turgocharger Boost Control ?A? Slow Response.The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: U1A24 - Lost Communication With Ammonia Sensor.Improvements To Prevent/ Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect Is Present For: U3017 - Control Module Timer/Clock Performance. P0087 - Fuel Rail Pressure Too Low. P2281 - Air Leak Between MAF And Throttle Body. P0544 - Exhaust Gas Temperature Sensor Circuit - Sensor 1/1. P0128 - Thermostat Rationality. In cold ambient temperatures. P214D - SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P040B - Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Performance. U1421 - Implausible Ignition Key Off Time Received. P0420 - Catalyst Efficiency Below Threshold. P026B - Injection Timing Performance. P04DB - Crankcase Ventilation System Disconnected. P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. P202E - Diesel Exhaust Fluid (DEF) Reductant Injector Performance. P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P2002 - Diesel Particulate Filter Efficiency Below Threshold. P0604 - Internal Control Module RAM. P1451 - Diesel Particulate Filter System Performance.Other Updates Included: Urea system calibration changes. Fuel Filter Minder Calibrat","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10221081-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10221081-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221081","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":["P0087","P0128","P0201","P0206","P026B","P040B","P0420","P049D","P04DB","P0544","P0604","P1451","P1C55","P2002","P202E","P20EE","P214D","P226C","P2281","P24A5","U110E","U1421","U1A24","U3017"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_ram_2500"]},{"make":"RAM","model":"3500","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_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":[]}