P0223 – Throttle/Pedal Position Sensor/Switch B Circuit High

DTC P0223 is an indication of an issue related to the Throttle/Pedal Position Sensor/Switch B High Input. This error code is commonly triggered when the Engine Control Module (ECM) identifies that the voltage signal originating from the Throttle/Pedal Position Sensor/Switch B (TPS B) surpasses the anticipated range. The TPS B holds significance as it gauges the positioning of the throttle pedal and transmits this data to the ECM. This information is then utilized by the ECM to calculate the most suitable fuel injection and ignition timing, ensuring the engine operates at its best performance.

When the ECM receives a voltage signal from TPS B that exceeds the expected range, it triggers code P0223 and may illuminate the Check Engine Light. This could be caused by a variety of issues, such as:

  • a malfunctioning TPS B sensor;
  • a wiring or connector problem in the sensor circuit;
  • issues with the ECM itself.

A high voltage reading from the TPS B could potentially lead to unintended acceleration or affect the engine’s response to throttle input, making it important to address this issue promptly to ensure safe and efficient vehicle operation.

Fixes for OBD-II Code P0223

To address EOBD code P0223, which signifies an issue with the Throttle/Pedal Position Sensor B Circuit High Input, you can follow these steps to potentially resolve the problem:

  1. Check Wiring and Connections. Firstly, inspect the wiring and connections related to the TPS B. Look for any signs of damage, corrosion, or loose connections. Ensure that the wiring is properly secured and not pinched or exposed.
  2. Examine the Sensor. Inspect the TPS B for any visible damage. Make sure that the sensor is properly attached and positioned. If there are any signs of physical damage, consider replacing the sensor.
  3. Test Voltage. Use a multimeter (reviewed here) to measure the voltage output of the TPS B. Compare the readings to the specifications provided in the vehicle’s service manual. If the voltage reading is consistently higher than the expected range, this may confirm the issue.
  4. Replace the Sensor. If the sensor is found to be faulty or consistently providing higher voltage readings, it may need to be replaced. Obtain a compatible replacement sensor from a reputable source (buy from Amazon). Make sure to follow the manufacturer’s instructions for installation.
  5. Clear the Code. After addressing the issue, use an OBD-II scanner (reviewed here) to clear the trouble code from the ECM’s memory. This will reset the Check Engine Light.
  6. Test Drive. Take the vehicle for a test drive to see if the issue is resolved.

Note: Consult a qualified mechanic or refer to the specific repair manual for your vehicle to ensure proper diagnosis and repair procedures have been followed.

Related DTCs to P0223

There are some codes that likely would have been shown along with the aforementioned code: P0120, P0121, P0122, P0123, P0220, P0221, P0222, P2135.


the total cost to fix Code P0223 could range from approximately $70 to $350 or more, depending on the specifics of your situation. Keep in mind that these are rough estimates and actual costs can vary. If you’re comfortable with vehicle repairs, you might be able to save on labor costs by replacing the sensor yourself, but ensure you have the necessary tools and knowledge to do so safely and correctly.

It’s not recommended to continue driving with this DTC present. If you’ve gotten an EOBD code P0223 error, it can result in poor acceleration, decreased engine power, and potential safety concerns, especially during driving situations that require rapid throttle changes, such as merging onto highways or passing other vehicles.

The OBD-II Code P0223 can be considered a serious issue, which can lead to various problems with your vehicle’s performance. These issues may include poor acceleration, reduced engine power, and potentially unstable or unpredictable throttle response. In extreme cases, the vehicle might even go into a reduced power or “limp mode,” limiting its speed and performance

You may also be interested in:

Sport Brake Pads

The Best Brake Pads in 2024 (TOP6 Review)

High performance brake rotors

The Best Brake Rotors in 2024: All You Need To Know

Block with installed cylinder head gasket

The Best Head Gasket Sealers – 2024 Review and Buyer’s Guide

Snow foam cannon for Karcher

The Best Foam Cannons For Hose or Pressure Washer

Impact Sockets Set

The Best Impact Sockets For Easy Unscrewing: Ultimate Buying Guide

Big electric fan heater in double-car garage

The Best Garage Heaters in 2024 (For Garages That Fit 1-4 Cars)

We do an efforts to find, research and recommend the best products. So, we may receive commissions from purchases that you make after following the links in our product reviews.

Leave A Comment

Your email address will not be published. Required fields are marked *