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Engine-Codes – Toyota – P0223 Toyota

P0223 Toyota Code - Throttle / Pedal Position Sensor / Switch 'B' Circuit High Input

Quick Answer

The P0223 diagnostic trouble code (DTC) for Toyota vehicles indicates a problem with the Throttle/Pedal Position Sensor/Switch 'B' Circuit, specifically a high input signal. Common causes include Faulty throttle position sensor, Wiring issues or short circuits in the sensor circuit, Corrosion or damage to sensor connectors. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0223 Toyota indicates Throttle / Pedal Position Sensor / Switch 'B' Circuit High Input.
Common causes
Common causes include Faulty throttle position sensor, Wiring issues or short circuits in the sensor circuit, Corrosion or damage to sensor connectors.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0223 Toyota Description

The P0223 diagnostic trouble code (DTC) for Toyota vehicles indicates a problem with the Throttle/Pedal Position Sensor/Switch 'B' Circuit, specifically a high input signal. This sensor is responsible for monitoring the position of the throttle pedal and sending that information to the engine control module (ECM). When the ECM detects a high input signal from the sensor, it means that the voltage being read is above the specified range, indicating a potential issue with the sensor or its circuit.

OBDII Code P0223 Toyota - Throttle / Pedal Position Sensor / Switch 'B' Circuit High Input
P0223 Toyota Code - Throttle / Pedal Position Sensor / Switch 'B' Circuit High Input

Common Causes of P0223 Toyota

  1. Faulty throttle position sensor
  2. Wiring issues or short circuits in the sensor circuit
  3. Corrosion or damage to sensor connectors
  4. ECM malfunction
  5. Accelerator pedal position sensor failure

Symptoms of P0223 Toyota

  1. Erratic acceleration
  2. Poor fuel efficiency
  3. Stalling
  4. Rough idling
  5. Lack of power during acceleration

How to Fix P0223 Toyota

  1. Begin by inspecting the throttle position sensor and its wiring for any visible damage or corrosion.
  2. Test the sensor's voltage output using a multimeter to determine if it is within the specified range.
  3. If the sensor is faulty, replace it with a new one and ensure proper calibration.
  4. Check and repair any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC with a scan tool and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P0223 Toyota

The typical repair costs for addressing a P0223 code in a Toyota vehicle can range from $150 to $300, depending on the specific components that need to be replaced and the labor involved. It's important to note that diagnosis time and labor rates can vary between auto repair shops, so it's recommended to obtain quotes from multiple sources for a more accurate estimate.

What does this mean?

Tech Notes for P0223 Toyota

Quite a frequent problem with Toyota models. Before replacing any parts, try cleaning the throttle body and resetting the code. If the code comes back, it will be necessary to replace the Throttle Body Assembly.





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Information for Specific Toyota Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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