Engine-CodesNissan – P2118 2011 Nissan Pathfinder

P2118 2011 Nissan Pathfinder Code - Throttle Control Motor Circuit Short Bank 1

Quick Answer

The P2118 diagnostic trouble code (DTC) for a 2011 Nissan Pathfinder relates to the throttle control motor circuit short in bank 1. Common causes include Damaged wiring or connectors in the throttle control motor circuit, Faulty throttle control motor, Issues with the engine control module (ECM). 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
P2118 2011 Nissan Pathfinder indicates Throttle Control Motor Circuit Short Bank 1.
Common causes
Common causes include Damaged wiring or connectors in the throttle control motor circuit, Faulty throttle control motor, Issues with the engine control module (ECM).
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P2118 2011 Nissan Pathfinder Description

The P2118 diagnostic trouble code (DTC) for a 2011 Nissan Pathfinder relates to the throttle control motor circuit short in bank 1. This code indicates that there is a malfunction in the circuit that controls the throttle motor, which is responsible for regulating the airflow into the engine. The throttle control motor is a crucial component of the electronic throttle control system, also known as drive-by-wire. This system eliminates the need for a traditional throttle cable and instead uses electronic sensors and actuators to control the throttle opening.

OBDII Code P2118 2011 Nissan Pathfinder - Throttle Control Motor Circuit Short Bank 1
P2118 2011 Nissan Pathfinder Code - Throttle Control Motor Circuit Short Bank 1

Common Causes of P2118 2011 Nissan Pathfinder

  1. Damaged wiring or connectors in the throttle control motor circuit
  2. Faulty throttle control motor
  3. Issues with the engine control module (ECM)
  4. Corrosion or poor connections in the throttle control system
  5. Environmental factors such as moisture or debris affecting the throttle control components

Symptoms of P2118 2011 Nissan Pathfinder

  1. Rough idling or unstable engine RPM
  2. Stalling or hesitation during acceleration
  3. Reduced engine power or performance
  4. Illumination of the check engine light
  5. Vehicle going into limp mode

How to Fix P2118 2011 Nissan Pathfinder

  1. Begin by conducting a thorough inspection of the throttle control motor circuit, checking for any visible damage to wiring or connectors.
  2. Test the throttle control motor and its connections using a multimeter to determine if it is functioning correctly.
  3. Inspect the engine control module (ECM) for any signs of damage or malfunction, and consider reprogramming or replacing it if necessary.
  4. Clear the DTC from the vehicle's memory using a diagnostic scan tool, and test drive the vehicle to ensure that the issue has been resolved.
  5. If the problem persists, consult a professional technician for further diagnosis and potential replacement of the throttle control motor or other components.

Cost to Fix P2118 2011 Nissan Pathfinder

The typical repair costs for addressing a P2118 code in a 2011 Nissan Pathfinder can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, the cost of replacing a throttle control motor or repairing wiring and connectors can range from $200 to $500. Additional costs may apply if the engine control module needs to be replaced or reprogrammed.

When is the Code Detected?

Engine Control Module (ECM) detects short in both circuits between ECM and throttle control motor.

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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 P2118 2011 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P2118 in a 2011 Nissan Pathfinder?

The common symptoms of P2118 include the Check Engine Light illuminating, reduced engine power, and potential stalling or rough idling.

2. What does the OBDII code P2118 indicate in a 2011 Nissan Pathfinder?

P2118 indicates a fault in the Throttle Control Motor Circuit Short Bank 1, which affects the operation of the electronic throttle control system.

3. What are the possible causes of OBDII code P2118 in a 2011 Nissan Pathfinder?

Possible causes of P2118 include a faulty throttle control motor, damaged wiring or connectors in the circuit, or issues with the electronic throttle control unit.

4. How can I diagnose the Throttle Control Motor Circuit Short Bank 1 issue in a 2011 Nissan Pathfinder?

Diagnosing P2118 requires using an OBDII scanner to retrieve the fault code, inspecting the throttle control motor and related components, and testing the circuit for continuity and shorts.

5. Can I still drive my 2011 Nissan Pathfinder with OBDII code P2118?

It is not recommended to drive the vehicle with P2118 as it can lead to further damage and unsafe driving conditions. It's best to address the issue promptly.

6. How can I repair OBDII code P2118 in my 2011 Nissan Pathfinder?

Repairing P2118 may involve replacing the throttle control motor, repairing or replacing damaged wiring or connectors, or resetting the electronic throttle control system.

7. Is it safe to reset the Check Engine Light after fixing OBDII code P2118 in a 2011 Nissan Pathfinder?

Yes, once the underlying issue causing P2118 is resolved, it is safe to reset the Check Engine Light using an OBDII scanner to clear the fault code.

8. Will OBDII code P2118 cause permanent damage to the engine of a 2011 Nissan Pathfinder?

If left unaddressed, P2118 can potentially cause further damage to the engine or other components of the vehicle. It's important to diagnose and repair the issue promptly.

9. Can a DIY enthusiast fix OBDII code P2118 in a 2011 Nissan Pathfinder?

Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair P2118 by following proper diagnostic procedures and safety precautions.

10. How can I prevent OBDII code P2118 from recurring in my 2011 Nissan Pathfinder?

Regular maintenance, such as inspecting the throttle control system, ensuring proper wiring connections, and keeping the vehicle's electronic systems in good condition, can help prevent the recurrence of P2118.

Discuss the causes and fixes for P2118 2011 Nissan Pathfinder OBDII Code

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