# OBD Vault — Smart Car Diagnostics & DTC

> Smart Car Diagnostics & DTC (iPhone/iPad app by Bahdan Hal.)

- Source: https://appshunter.io/ios/app/obd-vault/id6808813416 (this page in markdown: same URL + `.md`)
- Developer: [Bahdan Hal](https://appshunter.io/developer/6808813418)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 26 MB
- Languages: American English
- Released: 2026-09-23
- Data updated: 2026-09-26
- User reviews in markdown: https://appshunter.io/ios/app/obd-vault/id6808813416/reviews.md

## What is OBD Vault?

OBD Vault connects your smartphone to any standard ELM327 Bluetooth Low Energy (BLE) adapter, turning raw automotive diagnostics into clear, actionable answers.

Whether you are a professional technician troubleshooting an engine issue or a first-time car owner seeing a Check Engine light on the dashboard, OBD Vault provides immediate, unfiltered access to vehicle data.

FOR DRIVERS: PLAIN-LANGUAGE DIAGNOSTICS
When a warning light appears, you do not need to decipher cryptic codes or worry about being overcharged at a service center:
- Clear explanations: Understand what each fault code means without searching through technical forums.
- Safety assessment: Know immediately whether a detected fault allows you to drive safely home or requires an immediate stop.
- AI-assisted analysis: Connect your telemetry directly to your AI like ChatGPT and Claude via Model Context Protocol (MCP) to ask about symptoms, likely causes, and estimated repair steps.
- Pre-purchase inspection: Scan a used car before buying to detect hidden faults or recently wiped error codes.

FOR MECHANICS AND ENTHUSIASTS: UNFILTERED TELEMETRY
OBD Vault delivers standard SAE/ISO diagnostic parameters directly from the Engine Control Unit (ECU):
- Complete DTC management: Read confirmed, pending, and permanent trouble codes across powertrain and emissions systems. Clear codes with explicit ECU confirmation.
- High-frequency live sensors: Track engine coolant temperature, engine RPM, vehicle speed, mass air flow (MAF), intake manifold pressure (MAP), throttle position, and calculated load.
- Low-latency BLE communication: Optimized command polling with automatic reconnect and strict data-quality tracking.
- Native MCP Server support: Expose vehicle telemetry directly to external AI workflows and automated diagnostic scripts.
- Multi-brand validation: Compatible with major vehicle platforms including Volkswagen Group (VAG), Stellantis (Citroën, Peugeot, Opel), BMW, Toyota, Ford, Renault, and other OBD-II compliant vehicles.


## Version history (last 1 release)

### 1.0 — 2026-09-24

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-26.*