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Engine-Codes – Honda – P2108 Honda

P2108 Honda Code - Throttle Actuator Control Module Problem

Quick Answer

The P2108 Honda code indicates a problem with the throttle actuator control module. Common causes include Faulty throttle actuator control module, Wiring or connector issues, Vacuum leaks. 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
P2108 Honda indicates Throttle Actuator Control Module Problem.
Common causes
Common causes include Faulty throttle actuator control module, Wiring or connector issues, Vacuum leaks.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P2108 Honda Description

The P2108 Honda code indicates a problem with the throttle actuator control module. This module is responsible for controlling the throttle valve opening to regulate the airflow into the engine. When this module malfunctions, it can lead to issues with engine performance, fuel efficiency, and overall drivability of the vehicle. The throttle actuator control module communicates with the engine control module to ensure smooth operation of the throttle system. If left unaddressed, this code can lead to further damage to the engine and other related components.

OBDII Code P2108 Honda - Throttle Actuator Control Module Problem
P2108 Honda Code - Throttle Actuator Control Module Problem

Common Causes of P2108 Honda

  1. Faulty throttle actuator control module
  2. Wiring or connector issues
  3. Vacuum leaks
  4. Dirty throttle body
  5. Electronic throttle control system malfunction

Symptoms of P2108 Honda

  1. Engine stalling or hesitation
  2. Reduced engine power
  3. Difficulty accelerating
  4. Illumination of the Check Engine Light
  5. Rough idling

How to Fix P2108 Honda

  1. Diagnose the issue using a scan tool to confirm the P2108 code.
  2. Inspect the throttle actuator control module, wiring, and connectors for any visible damage or corrosion.
  3. Clean the throttle body to ensure proper airflow.
  4. Test the throttle actuator control module for proper function and replace if necessary.
  5. Clear the codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P2108 Honda

The cost of repairing a throttle actuator control module problem can vary depending on the make and model of the vehicle, as well as the specific cause of the issue. On average, the repair cost can range from $200 to $500, including parts and labor. It's recommended to consult with a mechanic or auto repair shop to get a more accurate estimate based on your vehicle's specific needs.

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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.

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