Engine-CodesAcura – P2118 Acura

P2118 Acura Code - Throttle Actuator Current Range/Performance Problem

Quick Answer

The P2118 code for Acura vehicles indicates a Throttle Actuator Current Range/Performance Problem. Common causes include Faulty throttle actuator, Wiring or connector issue in the throttle actuator circuit, Throttle position sensor malfunction. 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 Acura indicates Throttle Actuator Current Range/Performance Problem.
Common causes
Common causes include Faulty throttle actuator, Wiring or connector issue in the throttle actuator circuit, Throttle position sensor malfunction.
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 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P2118 Acura Description

The P2118 code for Acura vehicles indicates a Throttle Actuator Current Range/Performance Problem. This means that the Engine Control Module (ECM) has detected that the current flowing through the electronic throttle control actuator motor is outside of the expected range, indicating a potential issue with the throttle actuator's performance. The throttle actuator is responsible for controlling the airflow into the engine, which directly affects the engine's performance and responsiveness.

OBDII Code P2118 Acura - Throttle Actuator Current Range/Performance Problem
P2118 Acura Code - Throttle Actuator Current Range/Performance Problem

Common Causes of P2118 Acura

  1. Faulty throttle actuator
  2. Wiring or connector issue in the throttle actuator circuit
  3. Throttle position sensor malfunction
  4. ECM software glitch or failure

Symptoms of P2118 Acura

  1. Engine hesitation or lack of power
  2. Vehicle stalling or rough idling
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated on the dashboard

How to Fix P2118 Acura

  1. Begin by conducting a thorough diagnostic scan to retrieve the specific trouble codes and pinpoint the issue.
  2. Inspect the throttle actuator, wiring, and connectors for any signs of damage or corrosion.
  3. Test the throttle position sensor to ensure it is functioning correctly.
  4. If necessary, replace the throttle actuator or any faulty components in the circuit.
  5. Clear the trouble codes and perform a test drive to verify that the issue has been resolved.

Cost to Fix P2118 Acura

The typical repair costs for addressing a P2118 code on an Acura can range from $200 to $600, depending on the specific cause of the issue and the cost of parts and labor in your area. It is essential to factor in diagnostic time and labor rates, which can vary depending on the location and type of repair shop. Be sure to obtain multiple quotes and compare prices to ensure you receive a fair and accurate estimate for the repair.

When is the Code Detected?

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

Need more information about the P2118 Acura code?

Need more information on how to fix the P2118 Acura code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2118 Acura code diagnosed by a professional: Find a repair shop in your area

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 Acura Code

1. What does the OBDII code P2118 mean on an Acura?

P2118 indicates a "Throttle Actuator Current Range/Performance Problem," meaning the electronic throttle control system has a fault, often due to electrical or mechanical issues.

2. What are the common symptoms of code P2118 in an Acura?

Symptoms include reduced engine power, poor throttle response, the vehicle entering "limp mode," and the Check Engine Light illuminating.

3. What causes the P2118 code to appear on an Acura?

Common causes include a faulty throttle body, damaged throttle position sensor, wiring or connector issues, or a failing powertrain control module (PCM).

4. Can I drive my Acura with a P2118 code?

It is not recommended to drive with this code as the vehicle may experience reduced power or unsafe driving conditions. Immediate diagnosis and repair are advised.

5. How is the P2118 code diagnosed on an Acura?

A mechanic will use an OBDII scanner to confirm the code, inspect the throttle body and sensors, check for damaged wiring or connectors, and test the throttle actuator's electrical circuits.

6. How do I fix the P2118 code on my Acura?

Repairs may involve cleaning or replacing the throttle body, repairing damaged wiring or connectors, replacing faulty sensors, or reprogramming the PCM if necessary.

7. Is a dirty throttle body a possible cause of the P2118 code?

Yes, a dirty or carbon-clogged throttle body can cause the throttle actuator to perform outside its normal range, triggering the P2118 code.

8. How much does it cost to repair the P2118 code on an Acura?

Repair costs can range from $150 to $600, depending on whether the issue is a simple cleaning or requires component replacements like the throttle body or sensors.

9. Can a weak battery cause the P2118 code on an Acura?

Yes, a weak or failing battery can cause voltage irregularities that affect the throttle actuator's performance, potentially triggering the P2118 code.

10. Does resetting the Check Engine Light fix the P2118 code on an Acura?

Resetting the light may temporarily clear the code, but the underlying issue must be addressed to prevent the code from returning.

Discuss the causes and fixes for P2118 Acura OBDII Code

Code P2118 Acura comments

No comments found for this page.