RAM

18-041-15

2015-05-06 · NHTSA 10148901

掲載車両は調査の手がかりです。エンジン、製造期間、ソフトウェア条件はメーカー資料で確認してください。

メーカー概要

英語の原文

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. ? 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. ? 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.

メーカー、番号、発行日、全文概要が一致した登録だけをまとめ、元番号を残します。古い資料も保持し、明示的に確認できた後続版を表示します。1994年以前の車両との関連は通常結果から分離します。年式未記載は全年式への適用を意味しません。