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DiagnosticAI
Connected
VIN: 5UXWX9C5 · BMW X3 · 2014
P0300 Critical
Random/Multiple Cylinder Misfire Detected
P0171 Warning
System Too Lean — Bank 1
AXEL AI Summary
P0300 indicates a misfire likely caused by a failing ignition coil on cylinder 3. Start by swapping that coil — it's a 10-minute fix.
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Professional diagnostics made simple

Everything you need to understand your vehicle — without a trip to the shop.

Instant Fault Analysis

Connect your diagnostic adapter and get clear, plain-language explanations for every fault code from your vehicle's engine computer — in seconds. No guessing, no jargon.

Live Vehicle Data

Monitor your vehicle's real-time sensor readings — engine temperature, RPM, throttle position, and more — all displayed in one clean interface.

Ask AXEL Anything

Go deeper with any fault. Chat with AXEL to get repair guidance, understand severity, and know exactly what needs to be done — and in what order.

How It Works

Five steps to a full diagnosis

From first connection to a clear repair plan — in minutes.

01
Connect Your Adapter

Plug your diagnostic adapter into the vehicle's data port. The app finds and connects automatically over Bluetooth.

02
Vehicle Identified

Your vehicle's ID number is read automatically. No manual entry — the app knows your make, model, and year instantly.

03
Run the Scan

Tap scan and the app reads all fault codes directly from your vehicle's engine control module in real-time.

04
Get AI Analysis

AXEL breaks down each code — what it means, how serious it is, and what you should do next. No cryptic codes, no confusion.

05
Ask Follow-Ups

Still have questions? Chat with AXEL directly. Ask about repair costs, what to tell a shop, or how urgent the fix really is.

Meet AXEL

Your personal
vehicle AI

AXEL is the AI at the heart of DiagnosticAI. Powered by GPT-4o, AXEL translates fault codes into clear, actionable guidance — and stays available to answer any follow-up question you have about your vehicle.

  • Plain-language fault code explanations — no tech speak
  • AI Summary, Evidence, Next Tests & Fix Recommendation
  • Follow-up chat so you're never left guessing
  • Photo attachment — show AXEL exactly what you see
  • Technician-level insight for the everyday driver
A
AXEL
AI Engine Active
My check engine light came on. What's wrong?
AXEL
Your scan returned P0300 — a random misfire detected across multiple cylinders. This is most commonly caused by a worn ignition coil. I'd recommend swapping the coil on the misfiring cylinder before anything else.
Which coil should I swap first?
AXEL
Based on your freeze frame data, cylinder 3 is misfiring most frequently. That coil is a 10-minute swap on your engine and the most likely fix.
How serious is this? How much will it cost? Can I still drive?
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