RAM

18-005-23

2023-01-12 · NHTSA 10231776

车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。

厂商摘要

以下为英文原文

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: **P0299 - Turbocharger Underboost.** P026B-00 - Injection Timing Performance. P061B-00 - Internal Control Module Torque Calculation Performance. P1451-00 - Diesel Particulate Filter System Performance. P0755-00 - Shift Solenoid ?B? (DG7 Trans Sales Code). P0765-00 - Shift Solenoid ?D?(DG7 Only). P0401-00 - EGR System Performance Customers may also experience the following: **Service Exhaust System message in the Electronic Vehicle Information Center (EVIC) with no MIL.** Improvements to cold temperature engine rpm fluctuation. Reduce audible engine flare during upshifts (DG7 Only). Improvements to help prevent OD clutch premature wear (DG7 Only). 1-2-1 gear hunting on grades while operating under high loads in areas of low traction (e.g. rain, snow, ice or dirt) (DG7 Only). wiTECH Fuel System Run-Up Test routine Improvement. Idle stability Improvement. wiTECH PCM data improvements. wiTECH cylinder cut-out routine, improvement. This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software.

仅当厂商、通报编号、发布日期和完整摘要一致时，重复登记才会合并展示，原始编号仍予保留。旧资料继续供查阅；确认明确替代关系后才标示后续版本。1994 年以前的车辆关联与默认结果分开显示；未注明年款不等于适用于所有年款。