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Free Vehicle Complaint Report

Search NHTSA consumer complaints by year, make, and model. See crash and fire incidents, most-reported components, and full complaint details. Powered by official government data.

What Are NHTSA Consumer Complaints?

The National Highway Traffic Safety Administration (NHTSA) maintains a public database of consumer complaints about vehicle safety defects. Any vehicle owner can file a complaint when they experience a problem they believe is related to a safety defect. These complaints are investigated by NHTSA and can lead to formal defect investigations and, ultimately, recall campaigns.

The database contains complaints dating back to 1995, with new complaints added daily. Each complaint includes the affected component, a description of the problem, whether the issue resulted in a crash, fire, injury, or death, and the date of the incident.

How Dealers Use Complaint Data

Pre-purchase due diligence: Before purchasing a specific year/make/model at auction or via trade-in, check the complaint history to understand known issues. A model year with hundreds of transmission complaints tells you something a VIN decode alone cannot.

Pricing decisions: Vehicles with high complaint counts for expensive components (transmission, engine, airbags) carry more risk. This data helps you factor potential repair costs into your purchase price and retail markup.

Customer transparency: When a customer asks about known issues with a vehicle, you can pull up the complaint report and show them exactly what NHTSA has on file. Transparency builds trust and reduces post-sale disputes.

Inventory selection: Over time, complaint data helps dealers learn which models to avoid at auction. If a specific model year consistently shows up with electrical or safety system complaints, it may not be worth the risk.

What Information Is Included?

Summary Statistics

  • Total number of complaints filed
  • Number of crash incidents reported
  • Number of fire incidents reported
  • Total injuries and fatalities
  • Most-reported vehicle components

Per-Complaint Details

  • NHTSA ODI case number
  • Affected component/system
  • Crash, fire, injury, and death flags
  • Date of incident and date filed
  • Full consumer complaint description

Complaints vs Recalls

Consumer complaints and recalls are related but different. Complaints are filed by individual vehicle owners describing problems they have experienced. Recalls are issued by manufacturers or ordered by NHTSA after an investigation determines that a safety defect affects a group of vehicles.

A high number of complaints about the same component on the same model year can signal an emerging safety issue that may eventually lead to a recall. Our free recall checker lets you check if a specific VIN has any open recall campaigns.

Most Commonly Reported Components

Some vehicle systems generate far more complaints than others. Knowing which components are most frequently reported helps dealers focus their due diligence and set realistic expectations when acquiring certain makes and model years.

Powertrain

Engine stalling, transmission slipping, rough shifting, and power loss are consistently among the most reported issues across all manufacturers.

Electrical

Battery drain, infotainment failures, sensor malfunctions, and wiring issues. Increasingly common as vehicles add more electronic systems.

Brakes

Premature wear, ABS failures, brake fluid leaks, and pedal feel issues. Brake complaints often carry crash and injury flags.

How to Read Complaint Data Effectively

Look at total count in context. A model that sold 500,000 units with 200 complaints is different from one that sold 50,000 units with 200 complaints. Compare complaint volume to the vehicle's sales volume for a meaningful ratio.

Pay attention to crash and fire flags. Not all complaints are equal. A complaint about a squeaky door panel is fundamentally different from one flagged as a crash or fire incident. Filter for safety-critical complaints first.

Check the mileage and date patterns. Complaints clustered at low mileage (under 20,000 miles) suggest manufacturing defects. Complaints at higher mileage may indicate normal wear patterns that are not defects.

Read the narratives. Summary statistics tell you which components are reported most often, but the full complaint descriptions reveal the severity and circumstances. A single well-documented complaint with photos and repair receipts can be more informative than dozens of vague reports.

Compare across model years. If the 2020 model has 400 transmission complaints but the 2021 has 30, the manufacturer likely addressed the issue. Looking at complaint trends across years helps identify which specific model years to avoid.

Cross-reference with recalls. If a component has hundreds of complaints but no recall, it may be under investigation by NHTSA. Use our recall checker to see if a recall has been issued since the complaints were filed.

Data Source and Accuracy

All complaint data comes directly from the NHTSA Office of Defects Investigation (ODI) complaint database via their public API. This is the same data available on safercar.gov, presented in a more searchable and filterable format for dealers. The database is updated daily as new complaints are processed.

Complaint counts reflect reports filed with NHTSA and may not represent the total number of vehicles affected by any particular issue. Not every vehicle owner who experiences a problem files a complaint, so actual incidence rates are likely higher than complaint counts suggest. Conversely, some complaints may describe user error or maintenance issues rather than genuine defects.

NHTSA uses complaint data as one input (along with field investigations, manufacturer reports, and other sources) to decide whether to open a formal defect investigation. A high volume of complaints about the same component on the same model does not guarantee a recall will be issued, but it does indicate a pattern worth monitoring.

Mika Customers

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Mika dealership customers get enhanced versions of all tools as part of their plan. No add-on fees, no per-use charges.

  • Complaint data integrated into your dashboard
  • Check complaint history before purchasing at auction
  • Share reports with customers for full transparency
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