AutoCodes – Nissan – P2118 Nissan

P2118 Nissan Code - Throttle Control Motor Circuit Short Bank 1

Quick Answer

The Throttle Control Motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. Common causes include Faulty Electric Throttle Control (ETC) Actuator (Throttle Control Motor), Electric Throttle Control (ETC) Actuator harness is open or shorted, Electric Throttle Control (ETC) Actuator circuit poor electrical connection. 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 Nissan indicates Throttle Control Motor Circuit Short Bank 1.
Common causes
Common causes include Faulty Electric Throttle Control (ETC) Actuator (Throttle Control Motor), Electric Throttle Control (ETC) Actuator harness is open or shorted, Electric Throttle Control (ETC) Actuator circuit poor electrical connection.
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.
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Code Popularity 25,646
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2118 Nissan Description

The Throttle Control Motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
OBDII Code P2118 Nissan - Throttle Control Motor Circuit Short Bank 1 - AutoCodes.com
P2118 Nissan Code - Throttle Control Motor Circuit Short Bank 1

What are the Possible Causes of the DTC P2118 Nissan?

  • Faulty Electric Throttle Control (ETC) Actuator (Throttle Control Motor)
  • Electric Throttle Control (ETC) Actuator harness is open or shorted
  • Electric Throttle Control (ETC) Actuator circuit poor electrical connection

How to Fix the DTC P2118 Nissan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2118 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2118 Nissan code?

Need more information on how to fix the P2118 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2118 Nissan code diagnosed by a professional: Find a repair shop in your area

Information for Specific Nissan Models

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 Nissan Code

1. What are the common symptoms of OBDII code P2118 in a Nissan related to the Throttle Control Motor Circuit Short Bank 1?

The common symptoms include engine stalling, poor acceleration, lack of throttle response, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code P2118 in a Nissan indicating a Throttle Control Motor Circuit Short Bank 1 issue?

Possible causes include a faulty throttle control motor, damaged wiring or connectors in the throttle control circuit, or a malfunctioning Engine Control Module (ECM).

3. How can I diagnose the Throttle Control Motor Circuit Short Bank 1 problem associated with OBDII code P2118 in my Nissan?

You can diagnose the issue by conducting a visual inspection of the throttle control components, testing the throttle control motor, checking the wiring for any damage, and scanning the ECM for specific error codes.

4. Is it safe to drive my Nissan with OBDII code P2118 indicating a Throttle Control Motor Circuit Short Bank 1 problem?

It is not recommended to drive the vehicle with this issue as it may lead to unsafe driving conditions due to potential throttle control malfunctions.

5. Can I reset the OBDII code P2118 related to the Throttle Control Motor Circuit Short Bank 1 problem in my Nissan without fixing the underlying issue?

Resetting the code without fixing the underlying problem will only temporarily clear the error code. The issue will likely reoccur until the root cause is addressed.

6. How much does it typically cost to repair OBDII code P2118 in a Nissan caused by a Throttle Control Motor Circuit Short Bank 1 problem?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $500 or more, including parts and labor.

7. Can a DIY enthusiast fix the Throttle Control Motor Circuit Short Bank 1 issue indicated by OBDII code P2118 in a Nissan?

Depending on the skill level and experience of the DIY enthusiast, some may be able to diagnose and fix simple issues related to the throttle control system. However, more complex problems may require professional expertise.

8. How long does it typically take to repair OBDII code P2118 associated with the Throttle Control Motor Circuit Short Bank 1 in a Nissan?

The repair time can vary based on the specific cause of the issue and the availability of parts. In general, a repair for this code can take anywhere from a few hours to a full day.

9. Will fixing OBDII code P2118 in my Nissan related to the Throttle Control Motor Circuit Short Bank 1 improve fuel efficiency and performance?

Yes, addressing this issue can help restore proper throttle function, leading to improved fuel efficiency, smoother acceleration, and overall better performance of the vehicle.

10. Are there any preventative maintenance tips to avoid encountering OBDII code P2118 due to Throttle Control Motor Circuit Short Bank 1 problems in a Nissan?

Regularly inspecting and maintaining the throttle control system, keeping an eye on warning signs like poor acceleration, and promptly addressing any issues can help prevent the occurrence of OBDII code P2118 in the future.

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