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Engine-Codes – Nissan – P0122 2009 Nissan Rogue

P0122 2009 Nissan Rogue Code - Throttle Position Sensor/Switch '1' Circuit Low Input

Quick Answer

The P0122 code for a 2009 Nissan Rogue indicates a problem with the Throttle Position Sensor/Switch '1' Circuit, specifically a low input signal being detected. Common causes include Faulty throttle position sensor (TPS), Damaged or corroded wiring/connectors in the TPS circuit, Issues with the throttle body or throttle plate. 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 2009 Nissan Rogue indicates Throttle Position Sensor/Switch '1' Circuit Low Input.
Common causes
Common causes include Faulty throttle position sensor (TPS), Damaged or corroded wiring/connectors in the TPS circuit, Issues with the throttle body or throttle plate.
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 16, 2024
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Code P0122 2009 Nissan Rogue Description

The P0122 code for a 2009 Nissan Rogue indicates a problem with the Throttle Position Sensor/Switch '1' Circuit, specifically a low input signal being detected. The throttle position sensor (TPS) is a crucial component of the engine management system, as it monitors the position of the throttle valve and sends this information to the engine control module (ECM). The ECM uses this data to determine the appropriate air-fuel mixture for optimal engine performance.

OBDII Code P0122 2009 Nissan Rogue - Throttle Position Sensor/Switch '1' Circuit Low Input
P0122 2009 Nissan Rogue Code - Throttle Position Sensor/Switch '1' Circuit Low Input

Common Causes of P0122 2009 Nissan Rogue

  1. Faulty throttle position sensor (TPS).
  2. Damaged or corroded wiring/connectors in the TPS circuit.
  3. Issues with the throttle body or throttle plate.
  4. Malfunctioning engine control module (ECM).
  5. Environmental factors such as moisture or debris affecting sensor performance.

Symptoms of P0122 2009 Nissan Rogue

  1. Hesitation or lack of response when pressing the accelerator pedal.
  2. Rough idling or stalling when coming to a stop.
  3. Poor acceleration or loss of power while driving.
  4. Check Engine Light illuminated on the dashboard.
  5. Reduced fuel efficiency and increased emissions.

How to Fix P0122 2009 Nissan Rogue

  1. Begin by diagnosing the specific cause of the low input signal, using a scan tool to retrieve live data and pinpoint the issue.
  2. Inspect the throttle position sensor and its wiring/connectors for any signs of damage or corrosion. Replace any faulty components.
  3. Test the throttle body and throttle plate for proper operation, cleaning or replacing them if necessary.
  4. Check the engine control module (ECM) for any fault codes or malfunctions, repairing or replacing it as needed.
  5. Clear the diagnostic trouble codes from the ECM memory and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0122 2009 Nissan Rogue

The typical repair costs for addressing a P0122 code on a 2009 Nissan Rogue can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also influence the final repair costs. For a more accurate estimate, it is recommended to consult with local auto repair shops.

What does this mean?

Tech Notes for P0122 2009 Nissan Rogue

The throttle position sensor (TPS) is built into the throttle body.

When is the Code Detected?

An excessively low voltage from the Throttle Position Sensor (TPS) is sent to Engine Control Module (ECM).

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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 P0122 2009 Nissan Rogue Code

1. What does OBDII code P0122 on a 2009 Nissan Rogue mean?

The code P0122 indicates a low input in the Throttle Position Sensor/Switch '1' circuit of your vehicle.

2. What are the common symptoms of a P0122 code in a 2009 Nissan Rogue?

Common symptoms include poor acceleration, stalling, rough idling, and difficulty shifting gears.

3. What are the possible causes of a P0122 code in a 2009 Nissan Rogue?

The code may be triggered by a faulty throttle position sensor, damaged wiring or connectors, or a problem with the engine control module.

4. How can I diagnose the cause of a P0122 code in my 2009 Nissan Rogue?

To diagnose the issue, you can use a multimeter to test the throttle position sensor, inspect the sensor wiring for damage, and check for any loose connections.

5. Can I still drive my 2009 Nissan Rogue with a P0122 code?

It is not recommended to drive your vehicle with a P0122 code as it can lead to further damage and potentially unsafe driving conditions.

6. How can I repair a P0122 code in my 2009 Nissan Rogue?

Repair options include replacing the throttle position sensor, repairing damaged wiring, or reprogramming the engine control module.

7. Are there any DIY tips for fixing a P0122 code in a 2009 Nissan Rogue?

DIY enthusiasts can attempt to replace the throttle position sensor themselves after consulting the vehicle's repair manual for guidance.

8. How much does it cost to repair a P0122 code in a 2009 Nissan Rogue?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Will resetting the trouble codes make the P0122 code go away in a 2009 Nissan Rogue?

Resetting the trouble codes may temporarily clear the P0122 code, but it will likely reappear if the underlying issue is not addressed.

10. Can a P0122 code in a 2009 Nissan Rogue cause other problems if left unresolved?

Ignoring a P0122 code can lead to decreased fuel efficiency, further engine performance issues, and potential damage to other components over time.

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