JEEP
18-048-26
Communications du constructeur
- Date de publication
- 2026-04-17
- Reçu par la NHTSA
- 2026-04-22
- Identifiants NHTSA
- 11031453
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 SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating).
• P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating).
• P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating).
• P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating).
• P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating).
• P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating).
• P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating). Customers may also comment on one or more of the following:
• The vehicle has a rough idle.
• The engine has a miss.
• Noisy valvetrain. This bulletin involves reprogramming the PCM with the latest available software.
• P0300 - Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating).
• P0301 - Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating).
• P0302 - Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating).
• P0303 - Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating).
• P0304 - Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating).
• P0305-00 - Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating).
• P0306-00 - Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating). Customers may also comment on one or more of the following:
• The vehicle has a rough idle.
• The engine has a miss.
• Noisy valvetrain. 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
P0300Multiple Cylinder Misfire (Active or Stored status set during cold start catalyst heating)Jeep
P0301Cylinder 1 Misfire (Active or Stored status set during cold start catalyst heating)Jeep
P0302Cylinder 2 Misfire (Active or Stored status set during cold start catalyst heating)Jeep
P0303Cylinder 3 Misfire (Active or Stored status set during cold start catalyst heating)Jeep
P0304Cylinder 4 Misfire (Active or Stored status set during cold start catalyst heating)Jeep
P0305-00Cylinder 5 Misfire (Active or Stored status set during cold start catalyst heating)Jeep
P0306-00Cylinder 6 Misfire (Active or Stored status set during cold start catalyst heating)Vérifier 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 | 2023 |