What does P0954 Mean? Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above. When you see P0953 engine fault code on your engine code reader this description will help you. engine code P0954P0954 fixobd P0954dtc P0954obd code P0954obd2 P0954P0954 car codediagnostic code P0954car code P0954check engine code P0954fehlercode P0954P0954 fiatcodigo P0954codigo falla P0954P0954 kody b??dówcodigo de falla P0954 What are the common causes of P0954 ? Faulty Auto Shift Manual Switch Auto Shift Manual Switch harness is open or shorted Auto Shift Manual Switch circuit poor electrical connection How do you troubleshoot P0954 ? Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. Searches related to P0953 Code - Auto Shift Manual Control Circuit High P0953 P0954