Engine-CodesDodge – P2118 Dodge

P2118 Dodge Code - Electronic Throttle Control Motor Circuit

Quick Answer

The P2118 diagnostic trouble code (DTC) for Dodge vehicles relates to the Electronic Throttle Control (ETC) system. Common causes include Faulty electronic throttle body, Wiring or connector issues in the ETC system, Defective throttle position sensor. 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 electronic throttle body, Wiring or connector issues in the ETC system, Defective throttle position sensor.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2118 Dodge Description

The P2118 diagnostic trouble code (DTC) for Dodge vehicles relates to the Electronic Throttle Control (ETC) system. This code specifically indicates a malfunction in the motor circuit of the electronic throttle control. The ETC system is responsible for regulating the airflow into the engine by controlling the throttle plate's position based on driver input from the accelerator pedal.

OBDII Code P2118 Dodge - Electronic Throttle Control Motor Circuit
P2118 Dodge Code - Electronic Throttle Control Motor Circuit

Common Causes of P2118 Dodge

  1. Faulty electronic throttle body
  2. Wiring or connector issues in the ETC system
  3. Defective throttle position sensor
  4. Electronic control module (ECM) malfunction
  5. Poor electrical connections or grounds in the system

Symptoms of P2118 Dodge

  1. Reduced engine power
  2. Engine stalling or hesitation
  3. Check Engine Light illuminated
  4. Unresponsive throttle pedal
  5. Rough idling or erratic engine behavior

How to Fix P2118 Dodge

  1. Diagnose the issue using a scan tool to confirm the P2118 code and pinpoint the specific component causing the problem.
  2. Inspect the wiring and connectors in the ETC system for any damage or corrosion. Repair or replace as necessary.
  3. Test the electronic throttle body and throttle position sensor for proper operation. Replace any faulty components.
  4. Clear the DTC and perform a throttle body relearn procedure to recalibrate the throttle position.
  5. Test drive the vehicle to ensure proper throttle response and performance.

Cost to Fix P2118 Dodge

The typical repair costs for addressing a P2118 code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check local rates for a more accurate estimate. Keep in mind that rates may vary, with dealerships and metropolitan areas typically charging more, while independent shops may offer more competitive pricing.

Tech Notes for P2118 Dodge





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When is the Code Detected?

Engine Control Module (ECM) detects short in both circuits between ECM and throttle control motor.

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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.

Discuss the causes and fixes for P2118 Dodge OBDII Code

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