RAM
18-020-26
Communications du constructeur
- Date de publication
- 2026-02-14
- Reçu par la NHTSA
- 2026-02-19
- Identifiants NHTSA
- 11028881
Résumé du constructeur
Texte original en anglais
Flash: Powertrain Control Module (PCM) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating.
• P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0305-00 - Cylinder 5 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0306-00 - Cylinder 6 Misfire - in Active or Stored status set during cold start catalyst heating.**
• P0335 - Crankshaft Position Sensor Circuit.
• P0339 - Crankshaft Position Sensor Intermittent. **Customers may comment on one or more of the following:
• Vehicle has a rough idle.
• Engine has a miss.
• Noisy valvetrain.** Other software enhancement included with this update:
• Idle stability improvements during Electronic Stability Control (ESC) events. , Claims Data and Special Tools sections, updated LOP number, Repair Procedure and new Repair Procedure notes. **REPAIR SUMMARY:
• P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating.
• P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0304-00 - Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0305-00 - Cylinder 5 Misfire - in Active or Stored status set during cold start catalyst heating.
• P0306-00 - Cylinder 6 Misfire - in Active or Stored status set during cold start catalyst heating.**
• P0335 - Crankshaft Position Sensor Circuit.
• P0339 - Crankshaft Position Sensor Intermittent. **Customers may comment on one or more of the following:
• Vehicle has a rough idle.
• Engine has a miss.
• Noisy valvetrain.** Other software enhancement included with this update:
• Idle stability improvements during Electronic Stability Control (ESC) events. , Claims Data and Special Tools sections, updated LOP number, Repair Procedure and new Repair Procedure notes. **REPAIR SUMMARY:
Codes dans le document
Libellé du constructeur
Le libellé varie selon véhicule et suffixe ; ce n’est pas un diagnostic universel.
Ram
P0300-00Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0301-00Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0302-00Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0303-00Cylinder 3 Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0304-00Cylinder 4 Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0305-00Cylinder 5 Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0306-00Cylinder 6 Misfire - in Active or Stored status set during cold start catalyst heatingRam
P0335Crankshaft Position Sensor CircuitRam
P0339Crankshaft Position Sensor IntermittentVérifier 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 |
|---|---|---|
| Ram | 1500 | 2021 |