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P0122 2019 Honda CR-V Code - Throttle Position Sensor 'A' Circuit Low Voltage

Quick Answer

The P0122 diagnostic trouble code (DTC) for a 2019 Honda CR-V indicates an issue with the Throttle Position Sensor (TPS) 'A' Circuit registering low voltage. Common causes include A faulty Throttle Position Sensor (TPS), Damaged or corroded 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
P0122 2019 Honda CR-V indicates Throttle Position Sensor 'A' Circuit Low Voltage.
Common causes
Common causes include A faulty Throttle Position Sensor (TPS), Damaged or corroded 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 15, 2024
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Code P0122 2019 Honda CR-V Description

The P0122 diagnostic trouble code (DTC) for a 2019 Honda CR-V indicates an issue with the Throttle Position Sensor (TPS) 'A' Circuit registering 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 the air-fuel mixture and control the engine's performance.

OBDII Code P0122 2019 Honda CR-V - Throttle Position Sensor 'A' Circuit Low Voltage
P0122 2019 Honda CR-V Code - Throttle Position Sensor 'A' Circuit Low Voltage

Common Causes of P0122 2019 Honda CR-V

  1. A faulty Throttle Position Sensor (TPS).
  2. Damaged or corroded wiring/connectors in the TPS circuit.
  3. Issues with the ECM.
  4. Incorrect TPS calibration.
  5. Environmental factors such as moisture or debris affecting the TPS.

Symptoms of P0122 2019 Honda CR-V

  1. Poor acceleration or hesitation when pressing the gas pedal.
  2. Rough idling or stalling at idle.
  3. Difficulty starting the engine.
  4. Reduced fuel efficiency.
  5. Illumination of the Check Engine Light on the dashboard.

How to Fix P0122 2019 Honda CR-V

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the specific trouble code and data related to the TPS.
  2. Inspect the TPS, wiring, and connectors for any visible damage or corrosion. Replace any damaged components.
  3. Test the TPS using a multimeter to ensure it is functioning within the specified voltage range.
  4. If the TPS is faulty, replace it with a new one and calibrate it according to the manufacturer's specifications.
  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 P0122 2019 Honda CR-V

The typical repair costs for addressing a Throttle Position Sensor 'A' Circuit Low Voltage issue in a 2019 Honda CR-V can range from $100 to $300, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It is advisable to check local rates for a more accurate estimate of repair costs.

What does this mean?

Tech Notes for P0122 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 P0122 2019 Honda CR-V Code

1. What are the common symptoms of OBDII code P0122 in a 2019 Honda CR-V?

- Common symptoms include poor acceleration, stalling, rough idling, and potential issues with the transmission shifting.

2. What does the OBDII code P0122 indicate in a 2019 Honda CR-V?

- The code signifies an issue with the Throttle Position Sensor 'A' Circuit, specifically indicating low voltage detected.

3. What are the typical causes of the Throttle Position Sensor 'A' Circuit low voltage in a 2019 Honda CR-V?

- Common causes include a faulty throttle position sensor, damaged wiring or connectors, issues with the throttle body, or a problem with the engine control module.

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

- To diagnose, you can use an OBDII scanner to retrieve the specific trouble code, visually inspect the sensor and related wiring, and perform voltage tests on the sensor.

5. Can I drive my 2019 Honda CR-V with the P0122 code?

- It is not recommended to drive the vehicle with the P0122 code as it can lead to poor performance, potential safety issues, and further damage to the engine components.

6. What are some repair tips for fixing the Throttle Position Sensor 'A' Circuit low voltage issue in a 2019 Honda CR-V?

- Repair tips include checking and cleaning the throttle body, replacing the throttle position sensor if necessary, ensuring proper wiring connections, and resetting the trouble code after repairs.

7. Is it possible to reset the P0122 code in a 2019 Honda CR-V without fixing the underlying issue?

- While you can clear the code with an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring and causing further issues.

8. How much does it cost to repair the Throttle Position Sensor 'A' Circuit low voltage in a 2019 Honda CR-V?

- The cost of repairs can vary depending on the exact cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

9. Can a DIY enthusiast replace the throttle position sensor in a 2019 Honda CR-V?

- While it is possible for a DIY enthusiast to replace the throttle position sensor, it is recommended to have some mechanical knowledge and the necessary tools to ensure a successful repair.

10. How long does it take to fix the P0122 code in a 2019 Honda CR-V?

- The repair time can vary based on the extent of the issue and the repair process involved, but typically it can take anywhere from 1 to 3 hours to diagnose and fix the problem.

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