AutoCodes – Honda – P2122 Honda

P2122 Honda Code - Accelerator Pedal Position Sensor 'A' Throttle Position Sensor 'D' Circuit Low Voltage

Quick Answer

Accelerator Pedal Position (APP) sensor A is a part of the Electronic Throttle Control System (ETCS), and it is used to convert the position of the accelerator pedal into electrical signals. 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 Honda indicates Accelerator Pedal Position Sensor 'A' Throttle Position Sensor 'D' 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 41,605
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 14, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P2122 Honda Description

Accelerator Pedal Position (APP) sensor A is a part of the Electronic Throttle Control System (ETCS), and it is used to convert the position of the accelerator pedal into electrical signals. Based on these signals, the Powertrain Control Module (PCM) controls the throttle actuator so that the throttle position agrees with the accelerator pedal position. If the signal voltage from APP sensor A is a set value or less, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).
OBDII Code P2122 Honda - Accelerator Pedal Position Sensor 'A' Throttle Position  Sensor 'D' Circuit Low Voltage - AutoCodes.com
P2122 Honda Code - Accelerator Pedal Position Sensor 'A' Throttle Position Sensor 'D' Circuit Low Voltage

What are the Possible Causes of the DTC P2122 Honda?

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

How to Fix the DTC P2122 Honda?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2122 Honda 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 Honda code?

Need more information on how to fix the P2122 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2122 Honda code diagnosed by a professional: Find a repair shop in your area

Information for Specific Honda Models

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 Honda Code

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

- Common symptoms of P2122 include poor acceleration, reduced engine power, stalling, and the vehicle going into limp mode.

2. What causes the OBDII code P2122 in a Honda?

- The P2122 code is typically caused by a faulty accelerator pedal position sensor, throttle position sensor, wiring issues, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P2122 in my Honda?

- Diagnosing P2122 involves using a scan tool to read the code, checking the wiring and connectors for damage, and testing the accelerator pedal position sensor and throttle position sensor for proper functionality.

4. Can I drive my Honda with the OBDII code P2122?

- It is not recommended to drive your Honda with the P2122 code present, as it can lead to unsafe driving conditions and potentially cause further damage to the vehicle.

5. How can I repair the OBDII code P2122 in my Honda?

- Repairing P2122 may involve replacing the accelerator pedal position sensor, throttle position sensor, or repairing any damaged wiring or connectors. It is advisable to consult a professional mechanic for proper diagnosis and repair.

6. Is it safe to continue driving if the OBDII code P2122 comes on intermittently?

- It is not safe to continue driving if the P2122 code appears intermittently, as it indicates a potential problem with critical components that can affect the vehicle's performance and safety.

7. Can a dirty throttle body cause the OBDII code P2122 in a Honda?

- While a dirty throttle body can affect throttle response, it is not a common cause of the P2122 code. It is best to focus on checking the accelerator pedal position sensor and throttle position sensor first.

8. Will resetting the OBDII code P2122 make it go away permanently?

- Resetting the code may temporarily clear the P2122 warning, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.

9. How long does it typically take to repair the OBDII code P2122 in a Honda?

- The repair time for P2122 can vary depending on the exact cause of the issue and the availability of parts. It is advisable to consult with a mechanic for a more accurate estimate based on your specific situation.

10. Can a DIY enthusiast repair the OBDII code P2122 in a Honda?

- While some aspects of diagnosing and repairing P2122 can be done by a DIY enthusiast with the right tools and knowledge, it is recommended to seek professional help for accurate diagnosis and proper repair to ensure the issue is resolved effectively.

Discuss the causes and fixes for P2122 Honda OBDII Code

Code P2122 Honda comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play