Stop guessing

Start fixing your truck

The GRAYT Mechanic pairs your phone with an OBDLink MX+ dongle and an AI mechanic that reads codes, live data, and repair guidance — synced to a laptop dashboard in the shop or driveway.

Free app · dongle ~$120–140 vs $3,000+ scan tools

157+
DTC definitions

GM +multi-brand
roadmap

Two ways to work

Same OBDLink MX+ dongle. Kit A is phone-first in the cab. Kit B adds

a shop laptop view through the cloud — no USB on the MX+.

Kit A · In the cab

Phone + MX+ Bluetooth

Android APP (IPhone APP coming soon) connects to your OBDLink MX+ over Bluetooth. Full scan, live gauges, codes, DTC lookup, AI chat, and vehicle garage — all on your phone.

Bluetooth to OBDLink MX+ (no USB port on MX+)
Full system scan & clear codes
Live RPM, speed, coolant, voltage
AI Mechanic + DTC lookup
Vehicle history per VIN
Iphone APP coming soon

Kit B · Shop / laptop

Cloud relay dashboard

Phone stays paired to the dongle and relays live data to app.thegraytmechanic.com. Clear codes from the laptop, run AI chat, and watch live PIDs while you work under the hood.

Phone relays → cloud API → browser
Same account, same vehicles, same scans
Remote clear-codes command to phone
Works on shop Wi‑Fi (phone + laptop online)
No separate laptop Bluetooth required

What you get today

Built for real vehicles — tested on a 2014 Chevy Silverado & a 2012 Subaru Legacy with a OBDLink MX+ "dongle".

🔍 Full system scan

Read active, pending, and stored codes. History saved to your garage per vehicle.

📊 Live data relay

RPM, speed, throttle, coolant, and voltage — phone and dashboard stay in sync.

🤖 AI Mechanic

Ask about codes, symptoms, and next steps. Context-aware when a vehicle is selected.

📋 DTC lookup

Instant definitions, severity, and common causes for 150+ common powertrain/chassis codes.

🏠 Vehicle garage

Add Vehicle’s by VIN — scans, history, and AI use the right year/make/model.

🔧 Parts & tools

Search parts and specialty tools with buy links (RockAuto, Amazon, and more).

Simple pricing

Cheaper than Mitchell or Autel subscriptions. Hardware sold separately — we recommend OBDLink MX+ for GM SW-CAN support.

Free

$0*

Account + multiple vehicle
Basic scan & live data
Limited AI messages
DTC lookup

Repair Pack

One-time per vehicle*

Full AI + manual KB for that VIN
Scan history & export
Priority DTC coverage
Best for DIY owners

Pro Shop

Low monthly* vs $150+/mo Mitchell

Multi-vehicle / multi-tech
Cloud dashboard (Kit B)
AI + parts/tools workflow
Shop billing (Stripe — coming)

*Exact Repair Pack and Pro Shop prices will be listed here when checkout goes live. Physical kits (phone mount + MX+) sold on this site via GoDaddy Payments.

How it works

Under the hood: phone ↔ OBDLink MX+ ↔ your ECUs. Cloud sync for Kit B.

1 Install the app & create an account Google Play (free) · Register · Sign in (Google or email)

2 Get OBDLink MX+ (recommended) Hardware sold separately · Official recommendation · GM SW-CAN · plug in & pair Bluetooth

3 Add your truck & connect Garage → VIN · connect dongle in app · Kit B: same account at app.thegraytmechanic.com on laptop

4 Scan, diagnose, fix Full scan, DTC lookup, AI Mechanic, clear codes from phone or dashboard

Official recommendation · App is free

Get the OBDLink MX+ adapter

The GRAYT Mechanic app is free. You need a Bluetooth OBD-II dongle. We test and recommend OBDLink MX+ for GM trucks (SW-CAN), live dashboard relay, and full system scans — not cheap ELM327 clones.

OBDLink MX+

Professional Bluetooth scan tool · GM SW-CAN · BatterySaver · 3-year warranty

~$120–140 Prime eligible

GM SW-CAN & Ford MS-CAN — deeper codes than $15 clones
Fast Bluetooth for live relay to app.thegraytmechanic.com
Sold by OBD Solutions on Amazon — same unit we tested on a Silverado
Works with Android app + cloud dashboard (Kit A & Kit B)

Buy on Amazon → Buy direct from OBDLink

Already have the app? Plug MX+ into the OBD port → pair Bluetooth → open The GRAYT Mechanic → sign in. Google Play · Dashboard

What you don’t need

$8–25 generic “ELM327” — unreliable, no GM SW-CAN
USB cable — MX+ is Bluetooth only
$3,000 shop scan tool — for most DIY & driveway work

Kit A vs Kit B

Kit A: Phone + MX+ in the cab.
Kit B: Same dongle — phone relays live data to your laptop dashboard.

As an Amazon Associate, ManOfWeb LLC may earn from qualifying purchases. This does not change the price you pay. Not affiliated with GM or OBD Solutions beyond product recommendation. Hardware sold separately.