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March 19, 2026 Service bulletin

Blocked Make-Up Air (MUA) Solenoid Customers must experience a Malfunction Indicator Lamp (MIL)...

Ram technical service bulletin 09-006-26 for 2026 Ram 1500, 2026 Jeep Wagoneer and 2026 Jeep Grand Wagoneer.

Bulletin number
09-006-26
Component
Engine
Summary
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.

Owners of these vehicles have filed 14 complaints in the engine category.

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