What does P0950 Mean? OBD-II Code Powertrain Control Module (PCM) failure is defined as a Auto Shift Manual Control Circuit Some vehicles equipped with automatic transmission will give the driver the option of selecting the desired gear while driving, known as Autostick Shifting. The shifter will usually either have a + ahd - button on it, or shift side to side when in Drive. If the downshift switch does not function correctly, code P0950 will set and the Autostick shift function will be disabled. engine code P0950P0950 fixobd P0950dtc P0950obd code P0950obd2 P0950P0950 car codediagnostic code P0950car code P0950check engine code P0950fehlercode P0950P0950 fiatcodigo P0950codigo falla P0950P0950 kody b??dówcodigo de falla P0950 What are the common causes of P0950 ? An air leak forward of the DPF will change the sensor readings resulting in the code Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks. A large air leak at or near the number one oxygen sensor would also cause a lean mixture. How do you troubleshoot P0950 ? The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P0950 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired. Searches related to P0950 Code - Auto Shift Manual Control Circuit P0950 P0951