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

Quick Answer

The P2138 diagnostic trouble code (DTC) for Nissan vehicles refers to the Accelerator Pedal Position Sensor Circuit Range/Performance. Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor circuit, ECM software or hardware issues. 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 Nissan indicates Accelerator Pedal Position Sensor Circuit Range/Performance.

Common causes

Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor circuit, ECM software or hardware issues.

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.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
• Comments
• Add Comment

Common Causes of P2138 Nissan

Symptoms of P2138 Nissan

How to Fix P2138 Nissan

Cost to Fix P2138 Nissan

Need more information about the P2138 Nissan code?

Need more information on how to fix the P2138 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2138 Nissan code diagnosed by a professional: Find a repair shop in your area

Information for Specific Nissan Models

• P2138 2003 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2004 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2005 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2006 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2008 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2009 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2010 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2011 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2012 Nissan Altima Sedan — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2004 Nissan Maxima — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2005 Nissan Maxima — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2006 Nissan Maxima — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2007 Nissan Maxima — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2008 Nissan Maxima — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2005 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2006 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2007 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2008 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2009 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2010 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2011 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2012 Nissan Pathfinder — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2008 Nissan Rogue — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2009 Nissan Rogue — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2010 Nissan Rogue — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2011 Nissan Rogue — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2012 Nissan Rogue — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2013 Nissan Rogue — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2007 Nissan Sentra — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2008 Nissan Sentra — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2009 Nissan Sentra — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2010 Nissan Sentra — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2011 Nissan Sentra — Accelerator Pedal Position Sensor Circuit Range/Performance
• P2138 2012 Nissan Sentra — Accelerator Pedal Position Sensor Circuit Range/Performance

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 Nissan Code

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

- Common symptoms include rough idling, reduced engine power, unresponsive throttle, and in some cases, the vehicle may go into a reduced power or limp mode.

2. What can cause the OBDII code P2138 to trigger in a Nissan?

- The code P2138 is typically triggered by a fault in the accelerator pedal position sensor or the throttle position sensor. It can be caused by issues such as sensor malfunctions, wiring problems, or a faulty electronic control module.

3. How serious is the OBDII code P2138 in a Nissan?

- The OBDII code P2138 should be taken seriously as it can affect the drivability of the vehicle and, in some cases, lead to safety concerns. It is advisable to address this issue promptly to avoid potential issues on the road.

4. Can I still drive my Nissan with the OBDII code P2138 present?

- It is not recommended to drive your Nissan with the OBDII code P2138 present, especially if you are experiencing symptoms like reduced engine power or unresponsive throttle. Continuing to drive the vehicle may lead to further damage or safety hazards.

5. How can I diagnose and repair the OBDII code P2138 in my Nissan?

- Diagnosing and repairing the OBDII code P2138 usually involves inspecting the accelerator pedal position sensor, throttle position sensor, and related wiring for any faults or damages. Replacing a faulty sensor or repairing wiring issues may be necessary to clear the code.

6. Is it possible to reset the OBDII code P2138 in a Nissan without fixing the underlying issue?

- While you can clear the code temporarily by resetting the vehicle's computer, the OBDII code P2138 is likely to return if the underlying issue is not addressed. It is important to diagnose and fix the root cause of the problem to prevent the code from reappearing.

7. Can a DIY enthusiast fix the OBDII code P2138 in a Nissan?

- Depending on your skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the OBDII code P2138 in a Nissan. However, if you are unsure or inexperienced with automotive repairs, it is recommended to seek professional help to ensure the issue is properly resolved.

8. How much does it typically cost to repair the OBDII code P2138 in a Nissan?

- The cost of repairing the OBDII code P2138 in a Nissan can vary depending on the specific cause of the issue, the labor rates in your area, and whether you choose to do the repairs yourself or take it to a mechanic. Costs may include sensor replacement, wiring repairs, and diagnostic fees.

9. Are there any preventive measures to avoid the OBDII code P2138 in a Nissan?

- To help prevent the OBDII code P2138 in a Nissan, you can regularly inspect and maintain the accelerator pedal position sensor, throttle position sensor, and related wiring. Additionally, driving responsibly and avoiding harsh acceleration can help reduce strain on these components.

10. How long can I safely wait before addressing the OBDII code P2138 in my Nissan?

- It is recommended to address the OBDII code P2138 in your Nissan as soon as possible to prevent any further issues or potential safety hazards. Ignoring the code may lead to more severe drivability problems or damage to other components in the vehicle.