AutoCodes – Nissan – P2118 2009 Nissan Altima Sedan

P2118 2009 Nissan Altima Sedan 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 2009 Nissan Altima Sedan 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 2,413
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 2009 Nissan Altima Sedan 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 2009 Nissan Altima Sedan - Throttle Control Motor Circuit Short Bank 1 - AutoCodes.com
P2118 2009 Nissan Altima Sedan Code - Throttle Control Motor Circuit Short Bank 1

What are the Possible Causes of the DTC P2118 2009 Nissan Altima Sedan?

  • 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 2009 Nissan Altima Sedan?

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 2009 Nissan Altima Sedan 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 2009 Nissan Altima Sedan code?

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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 2009 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P2118 in a 2009 Nissan Altima Sedan?

The common symptoms of OBDII code P2118 include a Check Engine Light (CEL) illuminated on the dashboard, reduced engine power, and potential difficulty accelerating.

2. What does the OBDII code P2118 for a 2009 Nissan Altima Sedan indicate?

OBDII code P2118 indicates a throttle control motor circuit short in Bank 1 of the vehicle's engine.

3. What are the possible causes of OBDII code P2118 in a 2009 Nissan Altima Sedan?

Possible causes of OBDII code P2118 include a faulty throttle control motor, damaged wiring or connectors in the throttle control circuit, or a malfunctioning Engine Control Module (ECM).

4. How can I diagnose the OBDII code P2118 in my 2009 Nissan Altima Sedan?

Diagnosing OBDII code P2118 involves using an OBDII scanner to retrieve the code and then inspecting the throttle control motor, wiring, and connectors for any visible damage or issues.

5. Can I drive my 2009 Nissan Altima Sedan with OBDII code P2118?

It is not recommended to drive your 2009 Nissan Altima Sedan with OBDII code P2118, as it can lead to further damage to the engine and affect the vehicle's performance.

6. How can I repair OBDII code P2118 in my 2009 Nissan Altima Sedan?

Repairing OBDII code P2118 may involve replacing the throttle control motor, repairing any damaged wiring or connectors, or reprogramming the Engine Control Module (ECM) to resolve the issue.

7. Is it safe to reset the OBDII code P2118 in my 2009 Nissan Altima Sedan?

Resetting the OBDII code P2118 may temporarily turn off the Check Engine Light, but it is important to diagnose and repair the underlying issue causing the code to prevent further problems.

8. What are some tips for preventing OBDII code P2118 in a 2009 Nissan Altima Sedan?

To prevent OBDII code P2118, it is recommended to regularly maintain your vehicle, inspect the throttle control system for any signs of wear or damage, and address any issues promptly.

9. How long does it take to repair OBDII code P2118 in a 2009 Nissan Altima Sedan?

The repair time for OBDII code P2118 can vary depending on the exact cause of the issue, but it typically takes a few hours to a day to diagnose and repair the problem.

10. Can I fix OBDII code P2118 in my 2009 Nissan Altima Sedan myself?

While some DIY enthusiasts may be able to diagnose and repair OBDII code P2118 themselves, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair to ensure the issue is resolved correctly.

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