P0122 Nissan Code - Throttle Position Sensor/Switch '1' Circuit Low Input

Quick Answer

The P0122 diagnostic trouble code for Nissan vehicles indicates a problem with the throttle position sensor or switch circuit, specifically a low input signal. Common causes include Faulty throttle position sensor, Damaged or corroded wiring/connectors in the TPS circuit, Issues with the ECM or related control modules. 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

P0122 Nissan indicates Throttle Position Sensor/Switch '1' Circuit Low Input.

Common causes

Common causes include Faulty throttle position sensor, Damaged or corroded wiring/connectors in the TPS circuit, Issues with the ECM or related control modules.

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
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Common Causes of P0122 Nissan

Symptoms of P0122 Nissan

How to Fix P0122 Nissan

Cost to Fix P0122 Nissan

When is the Code Detected?

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Information for Specific Nissan Models

• P0122 2002 Nissan Altima Sedan — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2003 Nissan Altima Sedan — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2004 Nissan Altima Sedan — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2005 Nissan Altima Sedan — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2006 Nissan Altima Sedan — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2008 Nissan Altima Sedan — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2009 Nissan Altima Sedan — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2010 Nissan Altima Sedan — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2011 Nissan Altima Sedan — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2012 Nissan Altima Sedan — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2004 Nissan Maxima — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2005 Nissan Maxima — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2006 Nissan Maxima — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2007 Nissan Maxima — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2008 Nissan Maxima — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2005 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2006 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2007 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2008 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2009 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2010 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2011 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2012 Nissan Pathfinder — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2008 Nissan Rogue — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2009 Nissan Rogue — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2010 Nissan Rogue — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2011 Nissan Rogue — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2012 Nissan Rogue — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2013 Nissan Rogue — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2001 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input 3ZZ-FE Engine
• P0122 2002 Nissan Sentra — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2003 Nissan Sentra — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2004 Nissan Sentra — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2005 Nissan Sentra — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2006 Nissan Sentra — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2007 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2008 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2009 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2010 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2011 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2012 Nissan Sentra — Throttle Position Sensor/Switch 'A' Circuit Low Input
• P0122 2007 Nissan Versa — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2008 Nissan Versa — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2009 Nissan Versa — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2010 Nissan Versa — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2011 Nissan Versa — Throttle Position Sensor/Switch '1' Circuit Low Input
• P0122 2012 Nissan Versa — Throttle Position Sensor/Switch '1' Circuit Low Input

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 P0122 Nissan Code

1. What are the common symptoms of OBDII code P0122 in a Nissan related to the Throttle Position Sensor/Switch '1' Circuit Low Input?

- Common symptoms include poor acceleration, stalling or rough idling, reduced fuel efficiency, and the Check Engine light illuminating on the dashboard.

2. What could cause the OBDII code P0122 in a Nissan indicating an issue with the Throttle Position Sensor/Switch '1' Circuit Low Input?

- Potential causes include a faulty throttle position sensor, damaged wiring or connectors related to the sensor, or issues with the sensor circuit itself.

3. How can I diagnose the OBDII code P0122 in my Nissan that points to a problem with the Throttle Position Sensor/Switch '1' Circuit Low Input?

- Diagnosis typically involves using an OBDII scanner to read the trouble code, checking the throttle position sensor's voltage with a multimeter, and inspecting the sensor's wiring for any visible damage.

4. Is it safe to continue driving my Nissan with the OBDII code P0122 related to the Throttle Position Sensor/Switch '1' Circuit Low Input?

- It is not recommended to drive the vehicle with this issue as it can lead to poor performance and potential safety hazards. It's best to address the problem promptly.

5. What are some repair tips for fixing the OBDII code P0122 in a Nissan caused by the Throttle Position Sensor/Switch '1' Circuit Low Input?

- Repair tips may include replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, clearing the trouble code with an OBDII scanner, and performing a throttle position sensor relearn procedure if necessary.

6. Can a DIY enthusiast replace the throttle position sensor to resolve the OBDII code P0122 in a Nissan?

- Yes, replacing the throttle position sensor can be a DIY-friendly task with the right tools and instructions. However, if unsure, it's best to consult a professional mechanic for assistance.

7. Are there any recalls or service bulletins related to the OBDII code P0122 in Nissan vehicles with issues concerning the Throttle Position Sensor/Switch '1' Circuit Low Input?

- It's advisable to check with Nissan dealerships or online resources to see if there are any recalls or service bulletins addressing this specific problem in your Nissan model.

8. How much does it typically cost to repair the OBDII code P0122 caused by the Throttle Position Sensor/Switch '1' Circuit Low Input in a Nissan?

- The cost can vary depending on the exact cause of the issue, but it may range from around $100 to $300 for parts and labor, excluding any additional diagnostic fees.

9. Will resetting the Check Engine light make the OBDII code P0122 related to the Throttle Position Sensor/Switch '1' Circuit Low Input go away?

- Resetting the Check Engine light may temporarily clear the code, but if the underlying issue with the throttle position sensor persists, the code is likely to reappear after driving the vehicle for a while.