P2173 Code - Throttle Actuator Control System - High Air Flow Detected
Quick Answer
The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. Common causes include 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. 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
- P2173 indicates Throttle Actuator Control System - High Air Flow Detected.
- Common causes
- Common causes include 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.
- 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.
Code P2173 Description
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.
What are the Possible Causes of the DTC P2173?
- 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)
How to Fix the DTC P2173?
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 P2173 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 P2173 code?
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Need Help with the Code?
Get the P2173 code diagnosed by a professional: Find a repair shop in your area
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
Frequently Asked Questions about P2173 Code
1. What are common symptoms of OBDII code P2173?
- Common symptoms of code P2173 include rough idling, stalling, reduced engine power, and the Check Engine light illuminating.
2. What causes the Throttle Actuator Control System - High Air Flow Detected code (P2173)?
- The P2173 code is typically triggered by a faulty throttle body, a dirty or clogged air filter, a vacuum leak, or issues with the mass airflow sensor.
3. How serious is OBDII code P2173?
- Code P2173 should be addressed promptly as it can lead to poor engine performance, reduced fuel efficiency, and potential safety hazards if the throttle system is not functioning properly.
4. Can I continue driving with OBDII code P2173?
- It is not recommended to continue driving with code P2173 present, as it can cause further damage to the engine and affect vehicle performance.
5. How do I diagnose and repair OBDII code P2173?
- Diagnosis involves checking the throttle body, air filter, vacuum lines, and mass airflow sensor for any issues. Repair may involve cleaning or replacing the throttle body, air filter, or addressing any vacuum leaks.
6. Will resetting the Check Engine light resolve code P2173?
- Simply resetting the Check Engine light will not fix the underlying issue causing code P2173. It is important to diagnose and repair the root cause of the problem to prevent the code from reoccurring.
7. Can a DIY enthusiast fix OBDII code P2173?
- Depending on the cause of the code, some DIY enthusiasts may be able to address the issue themselves, such as cleaning the throttle body or replacing the air filter. However, more complex issues may require professional diagnosis and repair.
8. How much does it cost to fix OBDII code P2173?
- The cost to fix code P2173 can vary depending on the cause of the issue and the necessary repairs. Costs may range from a simple DIY fix to a more expensive repair involving parts replacement or professional labor.
9. How long does it take to repair OBDII code P2173?
- The repair time for code P2173 can vary depending on the specific issue causing the code and the complexity of the repair. Simple fixes like cleaning the throttle body may take less time, while more involved repairs may require more time.
10. Is it necessary to take my vehicle to a mechanic for OBDII code P2173?
- While it is not always necessary to take your vehicle to a mechanic for code P2173, professional diagnosis and repair may be recommended for complex issues or if you are unsure about the cause of the code.
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