CarDatabases

The Complete DTC Database

Access the comprehensive master index of OBD-II Diagnostic Trouble Codes covering standard P-codes (Powertrain), B-codes (Body), C-codes (Chassis), and U-codes (Network) with detailed definitions and diagnostic information.
Download Database Download Sample
sample_response.json
[
  [
    {
      "code": "P0300",
      "type": "Generic Powertrain",
      "description": "Random/Multiple Cylinder Misfire Detected",
      "severity": "High (Flashing check engine light)",
      "symptoms": [
        "Rough idling",
        "Lack of power",
        "Engine hesitation"
      ],
      "possible_causes": [
        "Faulty spark plugs or wires",
        "Faulty ignition coil",
        "Vacuum leak",
        "Low fuel pressure",
        "Internal engine mechanical failure"
      ],
      "monitor_strategy": "Cylinder acceleration monitoring",
      "diagnosis_steps": [
        "Check for other codes",
        "Inspect ignition components",
        "Perform compression test"
      ]
    }
  ]
]

Actionable Diagnostics

Includes manufacturer-specific codes for major brands (Ford, BMW, Toyota, etc.) alongside the generic SAE definitions. Each code entry includes the layman's definition, technical description, probable causes, and potential symptoms.

Diagnostic Powerhouse

The dataset needed to build OBD-II scanners, fleet monitoring dashboards, and repair assist tools.

Why This Database

Why Choose This Database?

Stop scraping unreliable websites. Get the standardized, validated data you need to scale.

Full OBD-II Support

Includes Generic (P0, B0, C0, U0) and Manufacturer Specific (P1, B1, C1, U1) codes.

Troubleshooting Data

Go beyond the definition with probable causes and symptoms for each code.

Multi-Brand

Covers specific codes for VW, Honda, Ford, GM, and more.

Coverage

Unmatched Coverage

55
Makes
150
Models
1996-2025
Year Range
65,000
Total Records

Fields

Data Points Included

DTC Code Type (Generic/Specific) Make Description Causes Symptoms

Use Cases

Built for Professionals

Tailored data structures for specific industry applications.

Independent Repair Shops

Diagnostic troubleshooting.

  • Code lookup for technicians
  • Customer report generation
  • Repair procedure mapping

Fleet Maintenance Providers

Preventative maintenance alerts.

  • Real-time fault monitoring
  • Severity triage
  • Downtime reduction

Extended Warranty Companies

Claim validation based on fault codes.

  • Pre-existing condition checks
  • Claim authorization
  • Repair verification

Specifications

Technical & Enterprise Details

Enterprise-ready data with full documentation and compliance.

Technical Specifications

Supported Formats

JSONSQL

Delivery Methods

Instant Download

Compliance & Standards

  • SAE J2012

Enterprise Features

Secure Delivery

All downloads are encrypted and delivered via secure, expires-after-use links.

Version Control

Access historical versions of the database. We keep an archive of all past snapshots.

Commercial License

Royalty-free usage for your applications, websites, and internal tools.

Frequently Asked Questions