DODGE
08-137-26 REV. E
Manufacturer communications
- Publication date
- 2026-10-03
- Received by NHTSA
- 2026-10-07
- NHTSA record numbers
- 11038316
Manufacturer summary
Original wording in English
Flash: Ignition System Control Module (ISCM) Updates PCR9A 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.
• P0301-00 - Cylinder 1 Misfire.
• P0302-00 - Cylinder 2 Misfire.
• P0303-00 - Cylinder 3 Misfire.
• P0304-00 - Cylinder 4 Misfire.
• P0305-00 - Cylinder 5 Misfire.
• P0306-00 - Cylinder 6 Misfire.** NOTE: **The above DTCs are being set during cold starts.** This bulletin involves inspecting and possibly reprogramming the ISCM, TCM and PCM with the latest available software.
• **P0300-00 - Multiple Cylinder Misfire.
• P0301-00 - Cylinder 1 Misfire.
• P0302-00 - Cylinder 2 Misfire.
• P0303-00 - Cylinder 3 Misfire.
• P0304-00 - Cylinder 4 Misfire.
• P0305-00 - Cylinder 5 Misfire.
• P0306-00 - Cylinder 6 Misfire.** NOTE: **The above DTCs are being set during cold starts.** This bulletin involves inspecting and possibly reprogramming the ISCM, TCM and 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 MisfireDodge
P0301-00Cylinder 1 MisfireDodge
P0302-00Cylinder 2 MisfireDodge
P0303-00Cylinder 3 MisfireDodge
P0304-00Cylinder 4 MisfireDodge
P0305-00Cylinder 5 MisfireDodge
P0306-00Cylinder 6 Misfire.** NOTE: **The aboveCheck 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 | CHARGER | 2026 |