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P0123 2016 Honda CR-V Code - Throttle Position Sensor 'A' Circuit High Voltage

Quick Answer

The P0123 diagnostic trouble code (DTC) for a 2016 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, Contamination or debris affecting TPS operation. 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 2016 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, Contamination or debris affecting TPS operation.
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 14, 2024
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Code P0123 2016 Honda CR-V Description

The P0123 diagnostic trouble code (DTC) for a 2016 Honda CR-V indicates an issue with the Throttle Position Sensor (TPS) 'A' Circuit registering high voltage. The TPS is a crucial component in the engine management system, as it monitors the position of the throttle valve and sends this information to the engine control unit (ECU). The ECU uses this data to adjust fuel delivery and ignition timing for optimal engine performance and efficiency.

OBDII Code P0123 2016 Honda CR-V - Throttle Position Sensor 'A' Circuit High Voltage
P0123 2016 Honda CR-V Code - Throttle Position Sensor 'A' Circuit High Voltage

Common Causes of P0123 2016 Honda CR-V

  1. Faulty Throttle Position Sensor
  2. Corroded or damaged wiring/connectors in the TPS circuit
  3. Contamination or debris affecting TPS operation
  4. Electrical issues such as a short circuit or open circuit in the TPS circuit
  5. ECU malfunction affecting TPS signal interpretation

Symptoms of P0123 2016 Honda CR-V

  1. Rough idling or erratic engine speed
  2. Hesitation or lack of response when accelerating
  3. Engine stalling or surging
  4. Check Engine Light illuminated on the dashboard
  5. Reduced fuel efficiency

How to Fix P0123 2016 Honda CR-V

  1. Begin by diagnosing the issue using a scan tool to confirm the P0123 code and pinpoint the exact cause.
  2. Inspect the TPS wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the Throttle Position Sensor using a multimeter to check for proper voltage output at various throttle positions. Replace the sensor if it fails the test.
  4. Clear the DTC and reset the ECU to see if the issue persists. Test drive the vehicle to ensure the problem is resolved.
  5. If the problem persists, further diagnostics may be necessary to identify any underlying electrical issues or ECU malfunctions.

Cost to Fix P0123 2016 Honda CR-V

The typical repair costs for addressing a Throttle Position Sensor 'A' Circuit High Voltage issue on a 2016 Honda CR-V can range from $100 to $300, depending on the specific cause of the problem and the cost of parts and labor in your area. This estimate includes the price of a new Throttle Position Sensor if replacement is necessary, as well as the labor costs for diagnosis and repair. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

What does this mean?

Tech Notes for P0123 2016 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 2016 Honda CR-V Code

1. What are the common symptoms of OBDII code P0123 in a 2016 Honda CR-V?

The common symptoms of OBDII code P0123 in a 2016 Honda CR-V include issues with acceleration, poor engine performance, stalling, and possibly an illuminated check engine light.

2. What does the OBDII code P0123 indicate in a 2016 Honda CR-V?

OBDII code P0123 in a 2016 Honda CR-V indicates a potential problem with the Throttle Position Sensor 'A' Circuit registering high voltage, which may affect the engine's performance.

3. What are the possible causes of OBDII code P0123 in a 2016 Honda CR-V?

Possible causes of OBDII code P0123 in a 2016 Honda CR-V include a faulty throttle position sensor, issues with the wiring or connectors in the sensor circuit, or a problem with the engine control module.

4. How can I diagnose the Throttle Position Sensor 'A' Circuit High Voltage issue in my 2016 Honda CR-V?

To diagnose the Throttle Position Sensor 'A' Circuit High Voltage issue in your 2016 Honda CR-V, you can use an OBDII scanner to read the code and check the throttle position sensor's voltage output using a multimeter.

5. Is it safe to continue driving my 2016 Honda CR-V with OBDII code P0123?

It is not recommended to continue driving your 2016 Honda CR-V with OBDII code P0123, as it may lead to poor engine performance, stalling, or other potential safety hazards. It's best to address the issue promptly.

6. Can I repair OBDII code P0123 in my 2016 Honda CR-V myself?

Depending on your skill level, you may be able to repair OBDII code P0123 in your 2016 Honda CR-V yourself by replacing the throttle position sensor, checking and repairing any faulty wiring, or consulting a professional for assistance.

7. How much does it typically cost to repair OBDII code P0123 in a 2016 Honda CR-V?

The cost to repair OBDII code P0123 in a 2016 Honda CR-V can vary depending on the root cause of the issue. On average, replacing a faulty throttle position sensor can cost between $100 to $300, including parts and labor.

8. Can a dirty throttle body cause OBDII code P0123 in a 2016 Honda CR-V?

While a dirty throttle body may not directly cause OBDII code P0123 in a 2016 Honda CR-V, it can contribute to issues with the throttle position sensor's performance. It's a good idea to clean the throttle body as part of regular maintenance.

9. Will resetting the OBDII code P0123 in my 2016 Honda CR-V make it go away permanently?

Simply resetting the OBDII code P0123 in your 2016 Honda CR-V will not make it go away permanently if the underlying issue, such as a faulty throttle position sensor, remains unresolved. It's crucial to diagnose and fix the root cause of the problem.

10. How long does it take to repair OBDII code P0123 in a 2016 Honda CR-V?

The time it takes to repair OBDII code P0123 in a 2016 Honda CR-V can vary based on the extent of the issue and the availability of parts. On average, the repair process may take anywhere from 1 to 3 hours to complete.

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