JEEP, RAM
09-006-26
Manufacturer communications
- Publication date
- 2026-03-19
- Received by NHTSA
- 2026-03-25
- NHTSA record numbers
- 11030223 · 11030248
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
Blocked Make-Up Air (MUA) Solenoid Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC):
• P051B-00 - Crankcase Pressure Sensor Circuit Range/performance. This bulletin involves replacing the clean air duct assembly.
• P051B-00 - Crankcase Pressure Sensor Circuit Range/performance. This bulletin involves replacing the clean air duct assembly.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P051B-00Crankcase Pressure Sensor Circuit Range/performanceRam
P051B-00Crankcase Pressure Sensor Circuit Range/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 |
|---|---|---|
| Jeep | GRAND WAGONEER | 2026 |
| Jeep | WAGONEER | 2026 |
| Ram | 1500 | 2026 |