AutoCodes – Nissan – P2122 2005 Nissan Altima Sedan

P2122 2005 Nissan Altima Sedan 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
P2122 2005 Nissan Altima Sedan 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 3,896
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 2005 Nissan Altima Sedan 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 P2122 2005 Nissan Altima Sedan - Accelerator Pedal Position Sensor Circuit Range/Performance - AutoCodes.com
P2122 2005 Nissan Altima Sedan Code - Accelerator Pedal Position Sensor Circuit Range/Performance

What are the Possible Causes of the DTC P2122 2005 Nissan Altima Sedan?

  • 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 P2122 2005 Nissan Altima Sedan?

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 2005 Nissan Altima Sedan 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 2005 Nissan Altima Sedan code?

Need more information on how to fix the P2122 2005 Nissan Altima Sedan code? Get Access to Factory Service Manuals

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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 2005 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P2122 in a 2005 Nissan Altima Sedan?

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

2. What does the OBDII code P2122 indicate in a 2005 Nissan Altima Sedan?

- The code P2122 indicates a problem with the Accelerator Pedal Position Sensor Circuit Range/Performance.

3. What are the possible causes of OBDII code P2122 in a 2005 Nissan Altima Sedan?

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

4. How can I diagnose the OBDII code P2122 in my 2005 Nissan Altima Sedan?

- Diagnosing the code may involve checking the wiring and connectors for damage, testing the accelerator pedal position sensor, and scanning the ECM for related fault codes.

5. Can I still drive my 2005 Nissan Altima Sedan with the OBDII code P2122 present?

- It is not recommended to drive the vehicle with this code present, as it may lead to unsafe driving conditions and further damage to the engine.

6. How can I repair OBDII code P2122 in my 2005 Nissan Altima Sedan?

- Repairing the code may involve replacing the accelerator pedal position sensor, repairing any damaged wiring or connectors, or reprogramming the ECM.

7. Is it safe to reset the OBDII code P2122 in my 2005 Nissan Altima Sedan using an OBDII scanner?

- While you can reset the code using a scanner, it is crucial to address the underlying issue causing the code before continuing to drive the vehicle.

8. How much does it typically cost to repair OBDII code P2122 in a 2005 Nissan Altima Sedan?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from $200 to $500 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P2122 in a 2005 Nissan Altima Sedan?

- Depending on the extent of the issue and your skill level, some DIY enthusiasts may be able to diagnose and repair the code themselves. However, it is recommended to consult a professional if unsure.

10. How long does it take to repair OBDII code P2122 in a 2005 Nissan Altima Sedan?

- The repair time can vary based on the exact cause of the issue and the availability of parts, but it typically takes a few hours to a full day to complete the repair.

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