P2173 on 2011-2022 Jeep Grand Cherokee — Throttle Actuator Control System - High Air Flow Detected
1 vehicles · 1 makes · $150-$650 repair
Most Reported On
P2173 is an OBD-II diagnostic trouble code meaning “Throttle Actuator Control System - High Air Flow Detected.” The PCM detected sustained higher airflow than expected for the commanded throttle position, indicating the throttle is allowing more air than commanded or there is an unmetered air leak. This code is most commonly reported on 2011-2022 Jeep Grand Cherokee, with repair costs ranging from $150 to $650.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P2173, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does P2173 mean?
P2173 stands for "Throttle Actuator Control System - High Air Flow Detected." The PCM detected sustained higher airflow than expected for the commanded throttle position, indicating the throttle is allowing more air than commanded or there is an unmetered air leak.
What are the most common causes of P2173?
The most common causes of P2173 are: Vacuum or intake air leak, Throttle plate not closing fully, Dirty throttle body, Failing throttle actuator, MAF sensor inaccuracy. The specific cause varies by vehicle.
How much does it cost to fix P2173?
Repair costs for P2173 range from $150 to $650, depending on the vehicle and root cause.
Which vehicles are affected by P2173?
Au7o has documented P2173 across 1 vehicle models from 1 manufacturers: Jeep.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.