DODGE
18-022-26
Manufacturer communications
- Publication date
- 2026-02-17
- Received by NHTSA
- 2026-03-05
- NHTSA record numbers
- 11029677
Manufacturer summary
Original wording in English
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):
• P121B-00 - Active Exhaust Valve 2 Performance.
• P1217-00 - Active Exhaust Valve 1 Performance. Customers may comment on the following:
• Exhaust pitch does not track with throttle input. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
• P121B-00 - Active Exhaust Valve 2 Performance.
• P1217-00 - Active Exhaust Valve 1 Performance. Customers may comment on the following:
• Exhaust pitch does not track with throttle input. This bulletin involves inspecting and possibly 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
P1217-00Active Exhaust Valve 1 PerformanceDodge
P121B-00Active Exhaust Valve 2 PerformanceCheck 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 |