AutoCodes – Dodge – P2118 Dodge

P2118 Dodge Code - Electronic Throttle Control Motor Circuit

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 Throttle Actuator Control Actuator, Throttle Actuator Control Actuator harness is open or shorted, Throttle Actuator Control 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 Dodge indicates Electronic Throttle Control Motor Circuit.
Common causes: Common causes include Faulty Throttle Actuator Control Actuator, Throttle Actuator Control Actuator harness is open or shorted, Throttle Actuator Control 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 17,394

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
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P2118 Dodge 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 Dodge - Electronic Throttle Control Motor Circuit - AutoCodes.com — P2118 Dodge Code - Electronic Throttle Control Motor Circuit

What does this mean?

What are the Possible Causes of the DTC P2118 Dodge?

Faulty Throttle Actuator Control Actuator
Throttle Actuator Control Actuator harness is open or shorted
Throttle Actuator Control Actuator circuit poor electrical connection

How to Fix the DTC P2118 Dodge?

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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2118 Dodge 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.

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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 Dodge Code

What does the OBDII code P2118 mean on a Dodge?

P2118 indicates an issue with the Electronic Throttle Control (ETC) motor circuit, suggesting a malfunction or electrical fault that affects throttle operation.

What are the common symptoms of code P2118 in a Dodge vehicle?

Symptoms may include reduced engine power, throttle lag, the throttle not responding, the check engine light illuminating, and the vehicle entering "limp mode."

What causes the P2118 code to appear in a Dodge?

Possible causes include a faulty throttle body, damaged throttle control motor, wiring or connector issues in the ETC circuit, or a failed powertrain control module (PCM).

Can I drive my Dodge with the P2118 code active?

Driving with this code is not recommended, as it may result in limited power, unpredictable throttle response, or further damage to the throttle system.

How do I diagnose the P2118 code on a Dodge vehicle?

Start by inspecting the throttle body and its wiring for damage or loose connections. Use a multimeter to check for proper voltage and continuity in the ETC motor circuit.

Is replacing the throttle body the only fix for P2118?

Not necessarily. While a faulty throttle body is a common cause, the issue could also stem from wiring problems, a bad connector, or a malfunctioning PCM.

What tools are needed to troubleshoot the P2118 code?

You’ll need an OBDII scanner, a multimeter to test electrical components, and possibly a repair manual with a wiring diagram for your Dodge model.

How much does it cost to repair the P2118 code on a Dodge?

Repair costs vary depending on the cause but can range from $100 for a wiring repair to $600 or more if the throttle body needs replacement.

Can a dirty throttle body trigger the P2118 code?

Yes, a dirty throttle body can cause the throttle motor to work improperly, potentially triggering the P2118 code.

What should I do if the P2118 code keeps returning after repairs?

Double-check all wiring, connections, and components in the ETC system. If the issue persists, the PCM or software may need reprogramming or replacement.