JEEP
18-034-25
Comunicados do fabricante
- Data de publicação
- 2025-06-25
- Recebido pela NHTSA
- 2025-07-02
- Números de registro NHTSA
- 11020109
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 must exhibit/set 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.** **In addition, the customer may experience one or more of the following:
• Vehicle fails emissions inspection testing due to OBD catalyst monitor readiness.**
• Actual fuel economy reporting may not match the Instrument Panel Cluster (IPC). Other software enhancements:
• Calibration update to address EVAP system emissions monitor readiness status accuracy This bulletin involves reprogramming the PCM with the latest available software.
• P0420 - Catalyst System Efficiency Below Threshold Bank 1.
• P0430 - Catalyst System Efficiency Below Threshold Bank 2.** **In addition, the customer may experience one or more of the following:
• Vehicle fails emissions inspection testing due to OBD catalyst monitor readiness.**
• Actual fuel economy reporting may not match the Instrument Panel Cluster (IPC). Other software enhancements:
• Calibration update to address EVAP system emissions monitor readiness status accuracy This bulletin involves reprogramming the PCM with the latest available software.
Códigos no documento
Descrição do fabricante
O texto varia por veículo e sufixo; não é diagnóstico universal.
Jeep
P0420Catalyst System Efficiency Below Threshold Bank 1Confira a aplicação ao veículo
A relação com um veículo é uma pista. Confirme motor, produção e software na documentação do fabricante.
| Marca | Modelo | Ano-modelo |
|---|---|---|
| Jeep | GRAND CHEROKEE | 2019 |