P0123 2017 Toyota RAV4 Code - Throttle / Pedal Position Sensor / Switch 'A' Circuit High Input

The code P0123 indicates a potential issue with the Throttle/Pedal Position Sensor/Switch 'A' Circuit, specifically relating to a high input signal.

Common symptoms of P0123 may include issues like reduced engine power, stalling, hesitation during acceleration, or the vehicle going into "limp mode."

Potential causes of code P0123 include a faulty throttle position sensor, problems with the pedal position sensor, wiring issues, or a malfunction in the engine control module (ECM).

To diagnose P0123, you can use an OBDII scanner to read the code and then further inspect the throttle position sensor, pedal position sensor, and related wiring for any visible damage or issues.

It is not recommended to drive your vehicle with code P0123 as it can cause performance issues and potentially lead to further damage. It is best to address the problem promptly.

Repairing P0123 may involve replacing the throttle position sensor, pedal position sensor, or repairing any damaged wiring. In some cases, resetting the ECM may also be necessary.

Resetting the ECM to clear the code is safe, but it may not resolve the underlying issue causing P0123. It's important to diagnose and address the root cause of the problem.

Depending on your expertise, you may be able to replace the throttle or pedal position sensor yourself. However, diagnosing and repairing wiring issues or ECM problems may require professional help.

The cost of repairing P0123 can vary based on the specific cause of the issue, parts needed for replacement, and labor costs. It's advisable to get a diagnostic from a mechanic for an accurate estimate.

Yes, code P0123 can impact fuel efficiency as it may cause irregular engine performance, leading to inefficient fuel combustion. Addressing the issue promptly can help improve fuel economy.