JEEP
18-062-26
Communications du constructeur
- Date de publication
- 2026-06-25
- Reçu par la NHTSA
- 2026-07-02
- Identifiants NHTSA
- 11034358
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.**
• P0456 - EVAP System Small Leak. Customers may also comment on one or more of the following:
• **Vehicle fails emissions inspection testing.**
• Pinging/detonation sound from the engine after warm up at 1000-1500 RPM at low speed. (EMEA and APAC Only).
• The vehicle stalls at low speeds and/or coming to a stop 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.**
• P0456 - EVAP System Small Leak. Customers may also comment on one or more of the following:
• **Vehicle fails emissions inspection testing.**
• Pinging/detonation sound from the engine after warm up at 1000-1500 RPM at low speed. (EMEA and APAC Only).
• The vehicle stalls at low speeds and/or coming to a stop 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 1Jeep
P0430Catalyst System Efficiency Below Threshold Bank 2Jeep
P0456EVAP System Small LeakVérifier 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 | WRANGLER | 2019 |