DODGE
18-039-26
Manufacturer communications
- Publication date
- 2026-03-21
- Received by NHTSA
- 2026-03-25
- NHTSA record numbers
- 11030224 · 11030249
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
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):
• P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during engine warm up period.
• P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during engine warm up period.
• P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during engine warm up period.
• P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during engine warm up period.
• P0304-00 - Cylinder 4 Misfire -in Active or Stored status set during engine warm up period.
• P0305-00 - Cylinder 5 Misfire - in Active or Stored status set during engine warm up period.
• P0306-00 - Cylinder 6 Misfire - in Active or Stored status set during engine warm up period. Customers may also experience the following:
• A noticeable engine misfire, rough idle and/or noise (in the valvetrain). This bulletin involves reprogramming the PCM with the latest available software.
• P0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during engine warm up period.
• P0301-00 - Cylinder 1 Misfire - in Active or Stored status set during engine warm up period.
• P0302-00 - Cylinder 2 Misfire - in Active or Stored status set during engine warm up period.
• P0303-00 - Cylinder 3 Misfire - in Active or Stored status set during engine warm up period.
• P0304-00 - Cylinder 4 Misfire -in Active or Stored status set during engine warm up period.
• P0305-00 - Cylinder 5 Misfire - in Active or Stored status set during engine warm up period.
• P0306-00 - Cylinder 6 Misfire - in Active or Stored status set during engine warm up period. Customers may also experience the following:
• A noticeable engine misfire, rough idle and/or noise (in the valvetrain). This bulletin involves reprogramming the PCM with the latest available software.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Dodge
P0300-00Multiple Cylinder Misfire - in Active or Stored status set during engine warm up periodDodge
P0301-00Cylinder 1 Misfire - in Active or Stored status set during engine warm up periodDodge
P0302-00Cylinder 2 Misfire - in Active or Stored status set during engine warm up periodDodge
P0303-00Cylinder 3 Misfire - in Active or Stored status set during engine warm up periodDodge
P0304-00Cylinder 4 Misfire -in Active or Stored status set during engine warm up periodDodge
P0305-00Cylinder 5 Misfire - in Active or Stored status set during engine warm up periodDodge
P0306-00Cylinder 6 Misfire - in Active or Stored status set during engine warm up periodCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Dodge | DURANGO | 2023 |