RAM

18-093-22

2022-05-10 · NHTSA 10214598

A relação com um veículo é uma pista. Confirme motor, produção e software na documentação do fabricante.

Resumo do fabricante

Texto original em inglês

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0299 - Turbocharger Underboost. P0401 - EGR System Performance. P0755 - 2C Solenoid Circuit. P0765 - UD Solenoid Circuit. P244A - Diesel Particulate Filter Differential Pressure Too Low. P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P242F - Diesel Particulate Filter Restriction - Ash Accumulation. P1451 - Diesel Particulate Filter System Performance. P2463 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P0607-00 - ECU Internal Performance. P0299-00 - Turbocharger Underboost. P1451-00 - Diesel Particulate Filter System Performance(Sales Code ETL Only). In addition, the customer may notice one or more the following conditions: Idle instability. Air handling bump after startup. Harsh shifts during garage shift tip-in. 2-1-2 gear hunting at low speeds, especially on grades. Driveline ?clunk? ?bump? during D-R and R-D GarageShifts. Harsh 5-3 downshift. 2-1 ERS downshift with exhaust brake on, performance improvement. Intermittent shift bump. The following improvements are also included in this update: Fuel System Run-Up Test routine, wiTECH improvement. wiTECH PCM data improvements. wiTECH cylinder cut-out routine, wiTECH improvement. Oil pressure switch modifications. Urea (DEF fluid) level sensor calibration update, to help prevent bumpsin DEF level gauge.

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