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Engine-Codes – Honda – P0123 2019 Honda CR-V

P0123 2019 Honda CR-V Code - Throttle Position Sensor 'A' Circuit High Voltage

Quick Answer

The P0123 code for a 2019 Honda CR-V indicates an issue with the Throttle Position Sensor (TPS) 'A' Circuit registering high voltage. Common causes include Faulty Throttle Position Sensor, Corroded or damaged wiring/connectors in the TPS circuit, Issues with the ECM. 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
P0123 2019 Honda CR-V indicates Throttle Position Sensor 'A' Circuit High Voltage.
Common causes
Common causes include Faulty Throttle Position Sensor, Corroded or damaged wiring/connectors in the TPS circuit, Issues with the ECM.
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 Sep 16, 2024
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Code P0123 2019 Honda CR-V Description

The P0123 code for a 2019 Honda CR-V indicates an issue with the Throttle Position Sensor (TPS) 'A' Circuit registering high voltage. The TPS is a crucial component that monitors the position of the throttle valve and sends this information to the engine control module (ECM). The ECM uses this data to determine the appropriate air-fuel mixture for optimal engine performance. When the TPS 'A' Circuit reports high voltage, it means that the voltage signal from the sensor is outside the expected range, which can lead to various performance issues.

OBDII Code P0123 2019 Honda CR-V - Throttle Position Sensor 'A' Circuit High Voltage
P0123 2019 Honda CR-V Code - Throttle Position Sensor 'A' Circuit High Voltage

Common Causes of P0123 2019 Honda CR-V

  1. Faulty Throttle Position Sensor
  2. Corroded or damaged wiring/connectors in the TPS circuit
  3. Issues with the ECM
  4. Throttle body malfunction
  5. Poor electrical connection

Symptoms of P0123 2019 Honda CR-V

  1. Engine hesitation or surging
  2. Poor fuel efficiency
  3. Rough idling or stalling
  4. Difficulty accelerating smoothly
  5. Illuminated check engine light

How to Fix P0123 2019 Honda CR-V

  1. Begin by diagnosing the issue using a diagnostic scanner to confirm the P0123 code and identify the specific cause.
  2. Inspect the Throttle Position Sensor for any signs of damage or wear. Replace the TPS if necessary.
  3. Check the wiring and connectors in the TPS circuit for corrosion, damage, or loose connections. Repair or replace as needed.
  4. Test the ECM for any faults related to the TPS circuit. Replace the ECM if necessary.
  5. Clear the trouble code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0123 2019 Honda CR-V

The typical repair costs for addressing a Throttle Position Sensor 'A' Circuit High Voltage issue can range from $150 to $300, including parts and labor. However, actual costs may vary depending on the specific diagnosis time and labor rates at auto repair shops, which can range from $80 to $150 per hour. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. It's recommended to obtain quotes from local shops for a more accurate estimate.

What does this mean?

Tech Notes for P0123 2019 Honda CR-V









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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.

Frequently Asked Questions about P0123 2019 Honda CR-V Code

1. What are the common symptoms of OBDII code P0123 in a 2019 Honda CR-V?

When the throttle position sensor 'A' circuit registers high voltage, common symptoms include poor acceleration, stalling, rough idling, and potential issues with the transmission shifting smoothly.

2. What causes the Throttle Position Sensor 'A' Circuit High Voltage code in a 2019 Honda CR-V?

The P0123 code in a 2019 Honda CR-V is often triggered by a faulty throttle position sensor, a damaged sensor circuit, wiring issues, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the Throttle Position Sensor issue in my 2019 Honda CR-V?

To diagnose a potential problem with the throttle position sensor, you can use an OBDII scanner to read the trouble codes, perform a visual inspection of the sensor and its wiring, and conduct voltage tests to determine if the sensor is sending the correct signals.

4. Can I drive my 2019 Honda CR-V with OBDII code P0123?

While it may be possible to drive your CR-V with the P0123 code, it is not recommended as it can lead to poor performance, reduced fuel efficiency, and potential damage to other engine components. It's best to address the issue promptly.

5. How do I repair the Throttle Position Sensor 'A' Circuit High Voltage problem in my 2019 Honda CR-V?

Repairing the P0123 code in a 2019 Honda CR-V typically involves replacing the faulty throttle position sensor, repairing damaged wiring or connections, or reprogramming the ECM to resolve any issues with the sensor circuit.

6. Can a DIY enthusiast fix the P0123 code in a 2019 Honda CR-V?

While some minor repairs like checking connections or replacing the throttle position sensor can be done by a DIY enthusiast, diagnosing and repairing complex electrical issues related to the P0123 code may require professional expertise.

7. How much does it cost to fix the Throttle Position Sensor 'A' Circuit High Voltage issue in a 2019 Honda CR-V?

The cost of fixing the P0123 code in a 2019 Honda CR-V can vary depending on the exact cause of the problem, but it typically ranges from $100 to $300 for parts and labor.

8. Will resetting the OBDII code P0123 in my 2019 Honda CR-V make the problem disappear?

Resetting the P0123 code may temporarily turn off the check engine light, but if the underlying issue with the throttle position sensor or its circuit is not addressed, the code is likely to reappear after driving the vehicle for some time.

9. What are the long-term consequences of ignoring the Throttle Position Sensor 'A' Circuit High Voltage code in a 2019 Honda CR-V?

Continuing to drive your CR-V with the P0123 code can lead to decreased fuel efficiency, engine performance issues, potential damage to other engine components, and may eventually cause the vehicle to stall or fail to start.

10. Can extreme weather conditions affect the appearance of OBDII code P0123 in a 2019 Honda CR-V?

Extreme weather conditions, such as very high or very low temperatures, can sometimes exacerbate existing issues with the throttle position sensor or its circuit, potentially triggering the P0123 code in a 2019 Honda CR-V.

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