RAM

18-073-26

2026-07-22 · NHTSA 11035323

車型關聯可作查閱線索；引擎、生產範圍與軟體條件請核對原廠資料。

原廠摘要

以下為英文原文

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set SYMPTOM: one or more of the following Diagnostic Trouble Codes (DTCs): ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. ● P0556 - Brake Booster Pressure Sensor Circuit Performance. ● P0340 - Cam Position Sensor Circuit - Bank 1 Intake. ● P0345 - Cam Position Sensor Circuit - Bank 2 Intake. ● P0365 - Cam Position Sensor Circuit - Bank 1 Exhaust. ● P0390 - Cam Position Sensor Circuit - Bank 2 Exhaust. Customers may experience one or more of the following: ● Vehicle fails emissions inspection testing. ● Fuel odor during frequent stop and re-start driving, during high ambient temps. In addition, the following software enhancement(s) is available: ● OBD calibration turned off DTC "U0463 - Fuel Level Implausible" message code and will now be detected with DTC "P0463 - Fuel Level Sensor 1 Circuit High". ● More robust trailer brake module enhancements for 3rd party aftermarket designs. ● Cam/crank diagnostic has been turned from a 1-trip to a 2-trip MIL. ● Change fuel level legislative reporting from a voltage to a percent scale. This bulletin involves reprogramming the PCM with the latest available software.

僅在原廠、通報編號、發布日期和完整摘要一致時，才合併重複登錄，並保留原始編號。舊資料仍可查閱；確認明確取代關係後才標示後續版本。1994 年以前的車輛關聯與預設結果分開顯示；未註明年式不等於所有年式適用。