RAM

18-073-26

2026-07-22 · NHTSA 11035323

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 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.

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