RAM

18-041-15 REV A

2015-11-07 · NHTSA 10159919

목록의 차량은 조사 단서입니다. 제조사 자료에서 엔진, 생산 기간, 소프트웨어 조건을 확인하세요.

제조사 요약

영어 원문

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.

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