P2173 on JEEP PATRIOT — Throttle Actuator Control System - High Air Flow Detected

Q: "What does P2173 mean on a JEEP PATRIOT?"

"P2173 indicates: Throttle Actuator Control System - High Air Flow Detected. This is a powertrain code. 2 JEEP PATRIOT owners have reported this to NHTSA."

Q: "What are the most common causes of P2173 on JEEP PATRIOT?"

"Based on 2 NHTSA reports, the most commonly cited components are: Vehicle Speed Control,Engine,Fuel/Propulsion System, Vehicle Speed Control,Engine. These percentages are based on the component field in owner complaints."

Q: "Is P2173 serious on my JEEP PATRIOT?"

"Of 2 NHTSA reports for this code on JEEP PATRIOT, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my JEEP PATRIOT shows P2173?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P2173 Means on Your JEEP PATRIOT

P2173 is a diagnostic trouble code indicating: Throttle Actuator Control System - High Air Flow Detected. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 JEEP PATRIOT owners have reported this issue to NHTSA across model years 2016. Most reports come from the 2016 model year. The most commonly reported component is Vehicle Speed Control,Engine,Fuel/Propulsion System (50.0% of reports).

Real JEEP PATRIOT Owner Reports

Source: NHTSA Complaints Database

"I purchased the vehicle 4 months ago, and this began at the end of September. Engine stalls out when driving down the highway, check engine light and road hazard lights come on and car trying to accelerate itself at times and other times won’t go over 40 mph."

— 2016 JEEP PATRIOT owner · VEHICLE SPEED CONTROL,ENGINE,FUEL/PROPULSION SYSTEM · Filed 09/29/2022

"While driving my Patriot, as I turned into the gas station the check engine light, traction control light and ETC (red lightning bolt) all popped on at the same time. My vehicle instantly went into limp mode. When In park, stayed a consistent 1,500 RPM’s."

— 2016 JEEP PATRIOT owner · VEHICLE SPEED CONTROL,ENGINE · Filed 02/25/2022

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'16

Common Causes on JEEP PATRIOT

Based on NHTSA complaint component analysis for this vehicle.

VEHICLE SPEED CONTROL,ENGINE,FUEL/PROPULSION SYSTEM 50%

VEHICLE SPEED CONTROL,ENGINE 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P2173 mean on a JEEP PATRIOT? ▾

P2173 indicates: Throttle Actuator Control System - High Air Flow Detected. This is a powertrain code. 2 JEEP PATRIOT owners have reported this to NHTSA.

What are the most common causes of P2173 on JEEP PATRIOT? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Vehicle Speed Control,Engine,Fuel/Propulsion System, Vehicle Speed Control,Engine. These percentages are based on the component field in owner complaints.

Is P2173 serious on my JEEP PATRIOT? ▾

Of 2 NHTSA reports for this code on JEEP PATRIOT, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my JEEP PATRIOT shows P2173? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P2173 on Other Vehicles

→ All codes reported on JEEP PATRIOT