Error Code P1222 is defined as Throttle Motor Circuit Problem. This means loss of power for the engine, causing your 2017 Ford Fiesta hatchback to run slower than it should be.
This error code is a generic trouble code, meaning it applies to all cars equipped with OBD-II system, or cars made since 1996 up to present. Specifications on the definition, troubleshooting, and repairs of course, vary from one make and/or model to another.
The 2017 Ford Fiesta hatchback’s throttle control motor is controlled by the PCM or powertrain control module (also referred as ECM or engine control module, or ECU or engine control unit in other 2017 Ford Fiesta hatchback makes). It opens and closes the throttle valve. The diesel throttle position, which is mounted on the throttle body, detects the fully open condition of the throttle body. When the Error Code P1222 is stored, the PCM shuts down the power of the throttle control motor.
Symptoms for this error code usually starts with the activation of the Check Engine light. For drivability, your 2017 Ford Fiesta hatchback suffers from slow acceleration from time to time.
There are many factors that may result to this error code, but usually, the problem arises from:
Check for open or short condition in throttle control motor circuit
Check for open or short in diesel throttle position switch circuit
Check throttle valve, throttle drive gear, and throttle control motor
Check diesel throttle body, and diesel throttle position switch
Check the PCM
Repairs for this error code of course, depend from the diagnosis. Some of the most common repairs include:
Once again, the specifics of the definition for this error code vary from one make and/or model to another. Thus, if you’re using a generic code reader, you may get a different, potentially wrong description of the error code. It is best to take your 2017 Ford Fiesta hatchback to your dealer to get the appropriate and specific reading from their advanced code reader. It’s the safest way to move forward.