AutoCodes – Nissan – P2118 2008 Nissan Altima Sedan

P2118 2008 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 2008 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 2,990

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2118 2008 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 2008 Nissan Altima Sedan - Throttle Control Motor Circuit Short Bank 1 - AutoCodes.com — P2118 2008 Nissan Altima Sedan Code - Throttle Control Motor Circuit Short Bank 1

What does this mean?

What are the Possible Causes of the DTC P2118 2008 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 2008 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 2008 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 2008 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 2008 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P2118 on a 2008 Nissan Altima Sedan?

The common symptoms of OBDII code P2118 on a 2008 Nissan Altima Sedan include reduced engine power, poor acceleration, and the vehicle going into limp mode.

2. What does the OBDII code P2118 for a 2008 Nissan Altima Sedan indicate?

OBDII code P2118 for a 2008 Nissan Altima Sedan indicates a throttle control motor circuit short on Bank 1.

3. What are the possible causes of OBDII code P2118 on a 2008 Nissan Altima Sedan?

Possible causes of OBDII code P2118 on a 2008 Nissan Altima Sedan include a faulty throttle control motor, damaged wiring or connectors in the throttle control circuit, or a problem with the throttle body.

4. How can I diagnose the issue causing OBDII code P2118 on my 2008 Nissan Altima Sedan?

To diagnose the issue causing OBDII code P2118 on your 2008 Nissan Altima Sedan, you can use a scan tool to check for any other related codes, visually inspect the throttle control motor and its wiring, and perform a continuity test on the circuit.

5. Can I still drive my 2008 Nissan Altima Sedan with OBDII code P2118?

It is not recommended to drive your 2008 Nissan Altima Sedan with OBDII code P2118 as it can lead to further damage to the throttle control system and affect the vehicle's performance.

6. How can I repair OBDII code P2118 on my 2008 Nissan Altima Sedan?

To repair OBDII code P2118 on your 2008 Nissan Altima Sedan, you may need to replace the throttle control motor, repair any damaged wiring or connectors, or clean and inspect the throttle body for any issues.

7. Is it possible to reset OBDII code P2118 on a 2008 Nissan Altima Sedan without fixing the underlying issue?

While you can clear the OBDII code P2118 on a 2008 Nissan Altima Sedan using a scan tool, the code is likely to return if the underlying issue causing the fault is not addressed.

8. How much does it typically cost to fix OBDII code P2118 on a 2008 Nissan Altima Sedan?

The cost to fix OBDII code P2118 on a 2008 Nissan Altima Sedan can vary depending on the specific cause of the issue, but it may range from $200 to $600 including parts and labor.

9. Can a DIY enthusiast repair OBDII code P2118 on a 2008 Nissan Altima Sedan?

While some DIY enthusiasts may have the skills to repair OBDII code P2118 on a 2008 Nissan Altima Sedan, it is recommended to consult a professional mechanic for a proper diagnosis and repair to ensure the issue is resolved correctly.

10. How long does it take to repair OBDII code P2118 on a 2008 Nissan Altima Sedan?

The time it takes to repair OBDII code P2118 on a 2008 Nissan Altima Sedan can vary depending on the specific cause of the issue and the extent of the repairs needed, but it may take a few hours to a full day to complete the repair.