FaultScan: OBD2 Car Scanner
Check engine light decoded
Free · Designed for iPad. Not verified for macOS.
• Fixed: the app now opens in English on devices set to other languages
• Minor stability improvements
Check engine light on? Find out what it means in seconds.
FaultScan turns any ELM327 Bluetooth adapter into a plain-English car diagnostic tool. Plug it in, connect, and get a clear verdict: keep driving, drive to a workshop soon, or stop. No subscription. No account. No paywalled answers.
WHAT YOU GET
• Full fault code scan — stored, pending and permanent codes (mode 03/07/0A)
• Plain-English explanations for 1,100+ generic codes, with common causes
• Code lookup — search the full library by code number or description, no scan needed
• Clear verdicts — know if your car is safe to drive
• Freeze frame — see exactly what the engine was doing when the fault happened
• Live dashboard — RPM, speed, coolant temperature, battery voltage, throttle, intake air
• Emission readiness — check monitors before your inspection
• VIN reading
• Scan history — your last 30 scans, stored only on your device
• Share a scan report as text with your mechanic
WORKS WITH YOUR ADAPTER
Any ELM327-compatible Bluetooth (BLE) adapter — Vgate iCar Pro, IOS-Vlink and most generic adapters. No dongle lock-in.
PRIVATE BY DESIGN
Your car data never leaves your device. No account, no tracking of vehicle data, no cloud. Scans are stored locally and only shared if you choose to.
FREE & HONEST
Supported by unobtrusive ads. Every feature is free — no premium tier, no trial limits.
Note: FaultScan reads and clears diagnostic codes. For repair decisions, always consult a qualified mechanic.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Behoben: Die App öffnet sich jetzt auf Englisch auf Geräten mit anderen Sprachen
• Kleinere Stabilitätsverbesserungen
The developer, Erkan OZSOY, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Erkan OZSOY
- Size
- 29 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Erkan Özsoy