Guide To P0224 OBD Error Code Solutions

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The technical definition of P0224 fault code is throttle/pedal position sensor/switch B circuit intermittent. This fault code would mean that the powertrain control module has detected an intermittent voltage reading from the throttle position sensor. A constant signal voltage is produced by this sensor to indicate the position of the butterfly valve to the PCM within the throttle body.

The electronic throttle control actuator comprises of throttle control motor, throttle position sensors etc. The throttle position sensor would respond to the throttle valve movement. There are two sensors in the throttle position sensor. These sensors are a type of potentiometers which can transform the throttle valve position into the output voltage and would start emitting the voltage signal to the engine control module. These sensors also help in detecting the opening as well as closing speed of the throttle valve and would feed the voltage signals to the engine control module.

The engine control module would judge the current opening angle of the throttle valve from these signals and the engine control module would control the throttle control motor to make the throttle valve opening angle properly in response to the driving condition.

What causes this problem with the Throttle Position Sensor/Switch B Circuit?

• There can be some defects in the throttle position sensor
• The throttle position sensor might be misaligned
• Defects in the powertrain control module
• The throttle position sensor might be associated with a disconnected, damaged, or faulty wiring
• A malfunction within the throttle body

1. Throttle Position Sensor - There can be some issues with the Throttle Position Sensor due to which you may see P0224 code appearing over and over again. Visit us to buy best quality Throttle Position Sensor online.
2. Powertrain Control Module - A lot of issues can arise do to defective Powertrain Control Module. Did you just see P0224 code flashing? Now you know the reason why it is appearing. Get it inspected and replaced on time.
3. Engine Wiring Connectors - Faulty Connectors can be the reason why P0224 code is flashing. Visit us to purchase top notch Connectors online.
4. Throttle Body Spacer - It is an important auto part which needs full care. A faulty Throttle Body Spacer can be a reason behind the flashing up of P0224 code.

You might be thinking that how would you diagnose these problems? We at Parts Avatar Canada would help you diagnose the major symptoms easily.

Common Symptoms

• The trouble code can get stored and illumination in the check engine light
• Visible black smoke can start emitting from the tailpipe at start-up
• There can be poor acceleration
• Issue of loss of power
• Rough idling
• There can be hesitation or stalling upon acceleration

We have listed out some ways which would help you to correct the occurrence of OBD Code P0224. They are mentioned here as follows:

• Replace the throttle position sensor
• If there are some issues with the powertrain control module, then it should be replaced
• Repairing or replacing the throttle body
• The wiring that is associated with the throttle position sensor should repaired or replaced
• The throttle position sensor should be realigned

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Here are some steps which you should follow in order to diagnose this fault code:

• This fault code is relevant only to throttle systems that utilize a “drive-by-wire” configuration. Drive by wire uses a sensor located on the accelerator pedal and input data is supplied to the powertrain control module. The powertrain control module would then open and close the throttle plate using various actuators, solenoids, and motors
• A throttle position sensor is also used on the throttle body to monitor actual throttle position. The powertrain control module reads a variable voltage reading (usually between .5 to 5.0-volts) graduated as the throttle pedal is depressed to determine the degree which the throttle body has to be opened
• The powertrain control module would then command the throttle drive by wire system motors and actuators to open or close the throttle plate as per the requirement. A scanner or code reader, a digital volt ohmmeter, and access to a manufacturer’s wiring schematic would be needed to successfully diagnose this code
• You must begin your diagnosis with a visual inspection of all wiring and connectors. You can always repair or replace damaged, disconnected, shorted, or corroded wiring, connectors, and components as necessary. Always retest the system after repairs are completed to ensure success. If all system wiring, connectors, and components (Including fuses) appear to be in normal working order, connect the scanner to the diagnostic connector and record all stored codes as well as freeze frame data

Common Mistakes When Diagnosing The P0224 Code

• Most of the people replace the Throttle Position Sensor when the real problem is a dirty, carbon-filled Throttle Body
• Throttle or Pedal Position Sensor is replaced by many people, but in reality the problem is a poor connection or chafed wiring
• One another common mistake can be replacing the pedal position sensor when the real problem is torn or damaged floor mats