P2173 on Dodge Avenger
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 Dodge Avenger 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 Dodge Avenger
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.
Real Dodge Avenger Owner Reports
Source: NHTSA Complaints Database
"The contact owns a 2013 Dodge Avenger. The contact stated while driving 55 MPH the vehicle shut down completely and an unknown warning light illuminated. The vehicle was towed to an independent mechanic and the mechanic stated that the gasket was leaking and that an unknown gasket (P2173)."
"While driving at hwy. speed vehicle surged but no warning lights, etc. next time started, warning lights came on indicating a p2173 code.car was just at dodge dealer for recalls."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Dodge Avenger
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.