AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - P2173

P2173 Code - Throttle Actuator Control System - High Air Flow Detected

- Code Popularity: 33,793 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P2173?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Throttle Actuator Control (TAC) module
  • Throttle Actuator Control (TAC) module harness is open or shorted
  • Throttle Actuator Control (TAC) module circuit poor electrical connection
  • Throttle plate sticking due to carbon build-up
  • Engine Control Module (ECM)
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC P2173?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P2173 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2173 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P2173 Description

The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. The ECM determines the drivers intent and then calculates the appropriate throttle response. The ECM achieves throttle positioning by providing a pulse width modulated voltage to the TAC motor. The TAC system uses the following circuits for Motor control 1 and Motor control 2.
Two processors are also used to monitor the TAC system data. Both processors are located within the ECM. Both processors monitor each other's data to verify that the indicated throttle position is correct.

OBDII Code P2173 - Throttle Actuator Control System - High Air Flow Detected - AutoCodes.com
P2173 Code - Throttle Actuator Control System - High Air Flow Detected

Need More Information on the Code?

Need more information on how to fix the P2173 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P2173 Chrysler High Air Flow/Vacuum Leak Detected Slow Accumulation
  • P2173 Dodge High Air Flow/Vacuum Leak Detected Slow Accumulation
  • P2173 Jeep High Air Flow/Vacuum Leak Detected Slow Accumulation  
  • P2173 Land Rover Throttle Actuator Control System High Airflow Detected

Need Help with the Code?

Get the P2173 code diagnosed by a professional: Find a repair shop in your area

Code P2173 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P2173 code? Have you replaced any parts?
Any information is appreciated. Thanks