JEEP
18-034-25
Communications du constructeur
- Date de publication
- 2025-06-25
- Reçu par la NHTSA
- 2025-07-02
- Identifiants NHTSA
- 11020109
Résumé du constructeur
Texte original en anglais
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.
Codes dans le document
Libellé du constructeur
Le libellé varie selon véhicule et suffixe ; ce n’est pas un diagnostic universel.
Jeep
P0420Catalyst System Efficiency Below Threshold Bank 1Vérifier les véhicules concernés
Un véhicule répertorié est une piste. Vérifiez moteur, période de production et logiciel dans les informations du constructeur.
| Marque | Modèle | Année-modèle |
|---|---|---|
| Jeep | GRAND CHEROKEE | 2019 |