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Engine-Codes – Nissan – P2138 2008 Nissan Rogue

P2138 2008 Nissan Rogue Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Quick Answer

The diagnostic trouble code P2138 for a 2008 Nissan Rogue indicates an issue with the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Faulty throttle position sensor, Wiring issues or poor connections. 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
P2138 2008 Nissan Rogue indicates Accelerator Pedal Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty accelerator pedal position sensor, Faulty throttle position sensor, Wiring issues or poor connections.
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 14, 2024
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Code P2138 2008 Nissan Rogue Description

The diagnostic trouble code P2138 for a 2008 Nissan Rogue indicates an issue with the Accelerator Pedal Position Sensor Circuit Range/Performance. This code is triggered when the Engine Control Module (ECM) detects that the signal from the accelerator pedal position sensor does not match the signal from the throttle position sensor. The accelerator pedal position sensor is responsible for sending the ECM information about how much the driver is pressing the accelerator pedal, while the throttle position sensor informs the ECM about the actual position of the throttle plate.

OBDII Code P2138 2008 Nissan Rogue - Accelerator Pedal Position Sensor Circuit Range/Performance
P2138 2008 Nissan Rogue Code - Accelerator Pedal Position Sensor Circuit Range/Performance

Common Causes of P2138 2008 Nissan Rogue

  1. Faulty accelerator pedal position sensor
  2. Faulty throttle position sensor
  3. Wiring issues or poor connections
  4. ECM malfunction
  5. Corrosion or damage to sensor connectors

Symptoms of P2138 2008 Nissan Rogue

  1. Reduced power or lack of acceleration
  2. Rough idling or stalling
  3. Limp mode activation
  4. Check Engine Light illuminated
  5. Difficulty maintaining speed

How to Fix P2138 2008 Nissan Rogue

  1. Diagnose the issue using a scan tool to confirm the P2138 code and perform a visual inspection of the accelerator pedal and throttle position sensors.
  2. Test the accelerator pedal position sensor and throttle position sensor using a multimeter to check for proper voltage and resistance.
  3. Inspect the wiring harness for any damage, corrosion, or loose connections. Repair or replace any damaged wiring.
  4. If the sensors and wiring are in good condition, consider reprogramming the ECM or replacing it if necessary.
  5. Clear the trouble codes, reset the ECM, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2138 2008 Nissan Rogue

The typical repair costs for addressing the P2138 code on a 2008 Nissan Rogue can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. This estimate includes the cost of diagnostic time, replacement sensors or wiring harness, and any necessary labor to complete the repair. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

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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 P2138 2008 Nissan Rogue Code

1. What are common symptoms of OBDII code P2138 in a 2008 Nissan Rogue?

- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and illuminated Check Engine Light.

2. What does the OBDII code P2138 mean for a 2008 Nissan Rogue?

- OBDII code P2138 indicates an issue with the Accelerator Pedal Position Sensor Circuit Range/Performance in a 2008 Nissan Rogue.

3. What are possible causes of OBDII code P2138 in a 2008 Nissan Rogue?

- Possible causes include a faulty accelerator pedal position sensor, wiring or connector issues, throttle body problems, or a damaged electronic control module.

4. How can I diagnose the cause of OBDII code P2138 in my 2008 Nissan Rogue?

- Diagnosing the issue may involve checking the accelerator pedal position sensor's voltage, inspecting wiring and connectors for damage, and testing the throttle body's functionality.

5. Can driving with OBDII code P2138 in a 2008 Nissan Rogue cause further damage?

- Continuing to drive with code P2138 may lead to poor engine performance, reduced fuel efficiency, and potential damage to other engine components over time.

6. How can I repair OBDII code P2138 in my 2008 Nissan Rogue?

- Repairing code P2138 may involve replacing the accelerator pedal position sensor, repairing damaged wiring or connectors, cleaning or replacing the throttle body, or reprogramming the electronic control module.

7. Is it safe to drive my 2008 Nissan Rogue with OBDII code P2138?

- It is not recommended to drive your vehicle with code P2138, as it can affect driving performance and potentially lead to safety concerns on the road.

8. Can OBDII code P2138 in a 2008 Nissan Rogue be reset without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the underlying problem causing code P2138 to prevent it from reoccurring.

9. How much does it typically cost to repair OBDII code P2138 in a 2008 Nissan Rogue?

- The cost of repairing code P2138 can vary depending on the specific issue, but it may range from $200 to $500 for parts and labor.

10. Are there any preventative maintenance tips to avoid OBDII code P2138 in a 2008 Nissan Rogue?

- Regularly inspecting and maintaining components like the accelerator pedal position sensor, wiring, and throttle body can help prevent issues that lead to code P2138 in your Nissan Rogue.

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