The Mechanic

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DTC Code Lookup

Full System Scan

Scans ECM on all dongles. OBDLink MX+ also checks BCM/ABS when phone relay is connected.

Select a vehicle and run a scan β€” results appear here (not on DTC Lookup).

VIN Decoder

Parts Search

Specialty Tools

Click to load conversation history

Service Manuals & Repair Info

πŸ“– Local Manual Knowledge Base
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Select a vehicle to see its manuals

Scan History

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Laptop OBD (dongle paired to PC)

Can't find Scan Ports? Press Ctrl+F5 on this page to reload, then click the Laptop OBD button in the left sidebar again.
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OBDLink Signal Watcher
Watches for the dongle the instant Windows Bluetooth connects, then holds the port open.
Windows pairing checklist
  1. Phone: Settings β†’ Bluetooth β†’ Forget OBDLink; close The Mechanic app
  2. Windows: Settings β†’ Bluetooth β†’ Remove OBDLink if listed
  3. Dongle plugged in truck, key ON (engine running is best)
  4. Windows Bluetooth: click OBDLink β€” must say Connected (not just Paired)
  5. Click Watch for Dongle, then Connect in Windows Bluetooth β€” do not click Manual Connect if already green
Port scan results appear here after you click 1. Scan Ports (wait ~20 sec).