AutoCodes – Infiniti – P2123 2006 Infiniti G35

P2123 2006 Infiniti G35 Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Quick Answer

The Accelerator Pedal Position (APP) sensor is installed on the upper end of the accelerator pedal assembly. Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor 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
P2123 2006 Infiniti G35 indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor 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 2,202
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 P2123 2006 Infiniti G35 Description

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).
Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometers which transform the accelerator pedal position into output voltage, and emit the voltage signal to the ECM.
In addition, these sensors detect the opening and closing speed of the accelerator pedal and feed the voltage signals to the ECM. The ECM judges the current opening angle of the accelerator pedal from these signals and controls the throttle control motor based on these signals.
Idle position of the accelerator pedal is determined by the ECM receiving the signal from the accelerator pedal position sensor. The ECM uses this signal for the engine operation
such as fuel cut.
OBDII Code P2123 2006 Infiniti G35 - Accelerator Pedal Position Sensor Circuit Range/Performance - AutoCodes.com
P2123 2006 Infiniti G35 Code - Accelerator Pedal Position Sensor Circuit Range/Performance

What are the Possible Causes of the DTC P2123 2006 Infiniti G35?

  • Faulty Accelerator Pedal Position Sensor
  • Accelerator Pedal Position Sensor harness is open or shorted
  • Accelerator Pedal Position Sensor circuit poor electrical connection

How to Fix the DTC P2123 2006 Infiniti G35?

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 P2123 2006 Infiniti G35 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 P2123 2006 Infiniti G35 code?

Need more information on how to fix the P2123 2006 Infiniti G35 code? Get Access to Factory Service Manuals

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 P2123 2006 Infiniti G35 Code

1. What does OBDII code P2123 mean for a 2006 Infiniti G35?

The code P2123 indicates an issue with the Accelerator Pedal Position Sensor Circuit Range/Performance in a 2006 Infiniti G35.

2. What are the common symptoms of OBDII code P2123 in a 2006 Infiniti G35?

Common symptoms of code P2123 may include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode."

3. What are the possible causes of OBDII code P2123 in a 2006 Infiniti G35?

Potential causes of code P2123 include a faulty accelerator pedal position sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.

4. How can I diagnose OBDII code P2123 in a 2006 Infiniti G35?

Diagnosing code P2123 typically involves using a scan tool to read the code, testing the accelerator pedal position sensor and related circuitry, and checking for any loose or damaged connections.

5. Can I still drive my 2006 Infiniti G35 with OBDII code P2123?

It is not recommended to drive your vehicle with code P2123 as it can lead to performance issues and potential safety concerns. It is best to address the problem promptly.

6. How can I repair OBDII code P2123 in a 2006 Infiniti G35?

Repairing code P2123 may involve replacing the accelerator pedal position sensor, repairing or replacing damaged wiring, or reprogramming the engine control module.

7. Will resetting the OBDII system clear code P2123 in a 2006 Infiniti G35?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and fix the root cause of the problem.

8. Is OBDII code P2123 a common issue in 2006 Infiniti G35 vehicles?

While not extremely common, code P2123 can occur in 2006 Infiniti G35 models due to sensor or circuitry failures. Proper maintenance and timely repairs can help prevent this issue.

9. Can a DIY enthusiast fix OBDII code P2123 in a 2006 Infiniti G35?

Depending on your experience and tools available, you may be able to address code P2123 yourself by following repair guides and being thorough in diagnosing and repairing the issue.

10. How much does it cost to repair OBDII code P2123 in a 2006 Infiniti G35?

The cost of repairing code P2123 can vary depending on the specific cause of the issue, parts needed, and labor costs. It is recommended to obtain quotes from reputable mechanics or repair shops.

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