AutoCodes – Generic – P2175

P2175 Code - Throttle Actuator Control System Low Airflow Detected

Quick Answer

The Mass Airflow Sensor is a combined Mass Airflow sensor and an Intake Air Temperature sensor. Common causes include Faulty Mass Airflow Sensor, Mass Airflow Sensor harness is open or shorted, Mass Airflow Sensor 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: P2175 indicates Throttle Actuator Control System Low Airflow Detected.
Common causes: Common causes include Faulty Mass Airflow Sensor, Mass Airflow Sensor harness is open or shorted, Mass Airflow Sensor 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 13,666

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 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2175 Description

The Mass Airflow Sensor is a combined Mass Airflow sensor and an Intake Air Temperature sensor. The Mass Airflow Interface consists of 1 analog voltage input signal for Air Flow, a reference supply (5V) voltage, and a ground reference voltage. The Diagnostic Trouble Code (DTC) will set when the actual airflow is greater than the calculated airflow derived from the throttle position.

OBDII Code P2175 - Throttle Actuator Control System Low Airflow Detected - AutoCodes.com — P2175 Code - Throttle Actuator Control System Low Airflow Detected

What does this mean?

What are the Possible Causes of the DTC P2175?

Faulty Mass Airflow Sensor
Mass Airflow Sensor harness is open or shorted
Mass Airflow Sensor circuit poor electrical connection

How to Fix the DTC P2175?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2175 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.

Need more information about the P2175 code?

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Need Help with the Code?

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Information for Specific Makes

P2175 Chrysler — Low Airflow/Restriction Detected Slow Accumulation
P2175 Dodge — Low Airflow/Restriction Detected Slow Accumulation
P2175 Jeep — Low Airflow/Restriction Detected Slow Accumulation
P2175 Land Rover — Throttle Actuator Control System Low Airflow Detected
P2175 RAM — Low Airflow/Restriction Detected Slow Accumulation

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.