AutoCodes – Honda – P2122 2010 Honda Accord

P2122 2010 Honda Accord Code - Accelerator Pedal Position Sensor 1 Circuit Low Voltage

Quick Answer

Accelerator Pedal Position (APP) Sensor 1 (Throttle Position Sensor D) Circuit Low Voltage. Common causes include Faulty Accelerator Pedal Position, Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position circuit poor electrical connection. 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
P2122 2010 Honda Accord indicates Accelerator Pedal Position Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty Accelerator Pedal Position, Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 7,046
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2122 2010 Honda Accord Description

Accelerator Pedal Position (APP) Sensor 1 (Throttle Position Sensor D) Circuit Low Voltage. The Accelerator Pedal Position (APP) sensor is installed on the upper end of the accelerator pedal assembly. The sensor detects the accelerator position and sends a signal to the Engine Control Module (ECM).
OBDII Code P2122 2010 Honda Accord - Accelerator Pedal Position Sensor 1 Circuit Low Voltage - AutoCodes.com
P2122 2010 Honda Accord Code - Accelerator Pedal Position Sensor 1 Circuit Low Voltage

What are the Possible Causes of the DTC P2122 2010 Honda Accord?

  • Faulty Accelerator Pedal Position
  • Accelerator Pedal Position harness is open or shorted
  • Accelerator Pedal Position circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P2122 2010 Honda Accord?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2122 2010 Honda Accord code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2122 2010 Honda Accord code?

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Need Help with the Code?

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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 P2122 2010 Honda Accord Code

1. What are the common symptoms of OBDII code P2122 in a 2010 Honda Accord?

- Common symptoms include reduced engine power, difficulty accelerating, and the vehicle going into limp mode.

2. What does the OBDII code P2122 in a 2010 Honda Accord indicate?

- The code P2122 indicates a low voltage condition in the Accelerator Pedal Position Sensor 1 circuit.

3. What are possible causes of the P2122 code in a 2010 Honda Accord?

- Possible causes include a faulty accelerator pedal position sensor, damaged wiring or connectors, or a problem with the engine control module (ECM).

4. Can driving with the P2122 code present cause further damage to the vehicle?

- It is not recommended to drive with the P2122 code present as it can lead to poor engine performance and potentially cause further damage if left unresolved.

5. How can I troubleshoot and diagnose the P2122 code in my 2010 Honda Accord?

- You can start by checking the wiring and connectors related to the accelerator pedal position sensor, testing the sensor's voltage output, and scanning the ECM for any related fault codes.

6. Is it possible to repair the P2122 code in a 2010 Honda Accord without professional help?

- While some DIY enthusiasts may be able to address the issue, it is recommended to seek professional help to accurately diagnose and repair the problem.

7. How much does it typically cost to fix the P2122 code in a 2010 Honda Accord?

- The cost of fixing the P2122 code can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars including parts and labor.

8. Can I reset the P2122 code in my 2010 Honda Accord by disconnecting the battery?

- While disconnecting the battery may temporarily clear the code, it is not a recommended method as the underlying issue causing the code will still need to be addressed.

9. Will the P2122 code cause the check engine light to illuminate in a 2010 Honda Accord?

- Yes, the P2122 code will trigger the check engine light to illuminate on the dashboard of the 2010 Honda Accord.

10. How urgent is it to address the P2122 code in a 2010 Honda Accord?

- It is advisable to address the P2122 code promptly to prevent further engine performance issues and potential safety concerns while driving.

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