Engine-CodesGeneric – P2175

P2175 Code - Throttle Actuator Control System Low Airflow Detected

Quick Answer

The P2175 diagnostic trouble code indicates that the Throttle Actuator Control System has detected low airflow. Common causes include Faulty throttle actuator control module, Dirty or clogged air filter, Vacuum leak in the intake system. 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
P2175 indicates Throttle Actuator Control System Low Airflow Detected.
Common causes
Common causes include Faulty throttle actuator control module, Dirty or clogged air filter, Vacuum leak in the intake system.
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 P2175 Description

The P2175 diagnostic trouble code indicates that the Throttle Actuator Control System has detected low airflow. This means that the electronic throttle control system is not receiving enough air, which can lead to a variety of performance issues in the vehicle. The throttle actuator control system is responsible for regulating the amount of air that enters the engine, which is essential for proper combustion and overall engine performance. When the system detects low airflow, it may limit the engine's power output and throttle response, resulting in poor acceleration, rough idling, and potential stalling.

OBDII Code P2175 - Throttle Actuator Control System Low Airflow Detected
P2175 Code - Throttle Actuator Control System Low Airflow Detected

Common Causes of P2175

  1. Faulty throttle actuator control module
  2. Dirty or clogged air filter
  3. Vacuum leak in the intake system
  4. Malfunctioning throttle position sensor
  5. Wiring or electrical issues in the throttle actuator control system

Symptoms of P2175

  1. Decreased engine power
  2. Poor acceleration
  3. Rough idling
  4. Stalling
  5. Decreased fuel efficiency

How to Fix P2175

  1. Inspect and replace the air filter: A dirty or clogged air filter can restrict airflow to the engine. Replace the air filter if necessary.
  2. Check for vacuum leaks: Inspect the intake system for any vacuum leaks and repair or replace any damaged hoses or gaskets.
  3. Test and replace the throttle position sensor: Check the throttle position sensor for proper operation and replace it if it is faulty.
  4. Diagnose and repair electrical issues: Check the wiring and connectors in the throttle actuator control system for any damage or corrosion and repair as needed.
  5. Reset the engine control module: After making repairs, reset the engine control module to clear the code and relearn the correct throttle position.

Cost to Fix P2175

The cost of repairing the P2175 code can vary depending on the specific cause of the issue and the make and model of the vehicle. Typically, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $100 to $300 as well. Overall, the total cost of repairing this issue can be anywhere from $200 to $600. It's important to note that these are rough estimates, and actual costs may vary based on the location of the repair shop, the type of vehicle, and the extent of the repairs needed. It's recommended to consult with a professional mechanic for a more accurate cost estimate.

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Code P2175 Information for Specific Makes

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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