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P0122 2017 Honda CR-V Code - Throttle Position Sensor 'A' Circuit Low Voltage

Quick Answer

The P0122 diagnostic trouble code (DTC) for a 2017 Honda CR-V indicates a problem with the Throttle Position Sensor (TPS) 'A' Circuit, specifically low voltage. Common causes include Faulty throttle position sensor, Wiring issues such as frayed or damaged wires, Corrosion or poor connections in the sensor circuit. 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
P0122 2017 Honda CR-V indicates Throttle Position Sensor 'A' Circuit Low Voltage.
Common causes
Common causes include Faulty throttle position sensor, Wiring issues such as frayed or damaged wires, Corrosion or poor connections in the sensor circuit.
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 P0122 2017 Honda CR-V Description

The P0122 diagnostic trouble code (DTC) for a 2017 Honda CR-V indicates a problem with the Throttle Position Sensor (TPS) 'A' Circuit, specifically low voltage. The TPS is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing, ensuring optimal engine performance and efficiency.

OBDII Code P0122 2017 Honda CR-V - Throttle Position Sensor 'A' Circuit Low Voltage
P0122 2017 Honda CR-V Code - Throttle Position Sensor 'A' Circuit Low Voltage

Common Causes of P0122 2017 Honda CR-V

  1. Faulty throttle position sensor
  2. Wiring issues such as frayed or damaged wires
  3. Corrosion or poor connections in the sensor circuit
  4. ECM software or hardware issues
  5. Throttle body malfunction

Symptoms of P0122 2017 Honda CR-V

  1. Hesitation or surging during acceleration
  2. Rough idling or stalling
  3. Poor fuel economy
  4. Difficulty starting the engine
  5. Illuminated check engine light

How to Fix P0122 2017 Honda CR-V

  1. Begin by diagnosing the TPS using a scan tool to confirm the P0122 code and check for any other related codes.
  2. Inspect the TPS wiring and connector for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the TPS voltage using a multimeter to ensure it is within the specified range. Replace the TPS if voltage is out of range.
  4. Clear the DTC and reset the ECM to see if the code returns. Test drive the vehicle to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the throttle body or ECM.

Cost to Fix P0122 2017 Honda CR-V

The cost of repairing a Throttle Position Sensor 'A' Circuit Low Voltage issue on a 2017 Honda CR-V can vary depending on the specific cause of the problem. Typically, the cost of a new TPS ranges from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost can be estimated to be between $150 and $350. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, labor rates, and additional parts or repairs needed. It is recommended to consult with a qualified mechanic or repair shop for a more accurate cost estimate.

What does this mean?

Tech Notes for P0122 2017 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 P0122 2017 Honda CR-V Code

1. What are the common symptoms of OBDII code P0122 in a 2017 Honda CR-V?

- Common symptoms include poor acceleration, reduced engine power, stalling at idle, and the vehicle going into limp mode.

2. What does the OBDII code P0122 indicate in a 2017 Honda CR-V?

- The code P0122 indicates an issue with the Throttle Position Sensor 'A' Circuit registering low voltage, potentially affecting the throttle response.

3. What are the possible causes of the Throttle Position Sensor 'A' Circuit Low Voltage code in a 2017 Honda CR-V?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, a corroded sensor connector, or issues with the vehicle's PCM.

4. How can I diagnose the Throttle Position Sensor issue in my 2017 Honda CR-V?

- You can use a multimeter to test the throttle position sensor's voltage output, check for continuity in the sensor circuit, and inspect the sensor and related wiring for any signs of damage.

5. Can a dirty throttle body cause the P0122 code in a 2017 Honda CR-V?

- Yes, a dirty throttle body can impact the proper functioning of the throttle position sensor, leading to the P0122 code. Regular maintenance of the throttle body is recommended.

6. How can I repair the Throttle Position Sensor 'A' Circuit Low Voltage issue in my 2017 Honda CR-V?

- Repair options include replacing the throttle position sensor, repairing or replacing damaged wiring, cleaning the sensor connectors, and resetting the trouble code using a scan tool.

7. Is it safe to continue driving my 2017 Honda CR-V with the P0122 code?

- It is not recommended to continue driving with the P0122 code as it can lead to further engine performance issues and potential safety hazards. Seek professional diagnosis and repair promptly.

8. Can resetting the OBDII code clear the P0122 issue in a 2017 Honda CR-V?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the P0122 code is not addressed, it is likely to reoccur.

9. How much does it typically cost to repair the Throttle Position Sensor 'A' Circuit Low Voltage problem in a 2017 Honda CR-V?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.

10. Will the P0122 code affect fuel efficiency in a 2017 Honda CR-V?

- Yes, the P0122 code can impact fuel efficiency as it affects the proper functioning of the throttle position sensor, which plays a crucial role in managing fuel delivery.

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