AutoCodes – Nissan – P2118 2009 Nissan Sentra

P2118 2009 Nissan Sentra Code - Throttle Control Motor Circuit Short

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 Sentra indicates Throttle Control Motor Circuit Short.
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 3,217

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 Apr 01, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2118 2009 Nissan Sentra 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 Sentra - Throttle Control Motor Circuit Short - AutoCodes.com — P2118 2009 Nissan Sentra Code - Throttle Control Motor Circuit Short

What does this mean?

What are the Possible Causes of the DTC P2118 2009 Nissan Sentra?

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 Sentra?

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 Sentra 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 Sentra 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 Sentra Code

What does the OBDII code P2118 mean for a 2009 Nissan Sentra?

P2118 indicates a throttle control motor circuit short, which typically means there is a problem with the throttle actuator control system.

What are common symptoms of the P2118 code?

Common symptoms may include reduced engine power, a warning light on the dashboard, erratic idle, or the vehicle entering limp mode.

What could cause the P2118 code to trigger?

Causes can include a short circuit in the throttle control motor wiring, a malfunctioning throttle body, or issues with the engine control unit (ECU).

How can I diagnose the P2118 code?

You can start by visually inspecting the throttle control motor wiring for damage or corrosion, checking the throttle body for proper operation, and scanning for additional trouble codes.

What are some common repairs for the P2118 code?

Repairs may involve replacing damaged wiring, fixing or replacing the throttle body, or reprogramming or replacing the ECU if necessary.

Will the vehicle still run with the P2118 code?

The vehicle may still run, but it could experience reduced power and may enter limp mode to protect the engine, limiting performance.

Is it safe to drive a 2009 Nissan Sentra with the P2118 code?

It's generally not recommended to drive the vehicle until the issue is resolved, as it may pose safety risks due to reduced power and control.

How much does it typically cost to fix the P2118 code?

Repair costs can vary widely depending on the specific issue, but you can expect to pay anywhere from $100 to $1,000 or more, depending on whether it's a wiring issue or a throttle body replacement.

Can I clear the P2118 code without fixing the problem?

While you can clear the code with an OBD-II scanner, it is important to address the underlying issue to prevent the code from reappearing and to ensure safe vehicle operation.