P2173 on JEEP PATRIOT
Throttle Actuator Control System - High Air Flow Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Jeep Patriot context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P2173.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
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 fuel, air, emissions, or auxiliary powertrain control system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
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."
"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."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on JEEP PATRIOT
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.