Professional Automotive Diagnostic Tools & OBD2 Scanners

Stop Guessing. Decode Your Dashboard Light and Take Control of Your Vehicle’s Health.

That little orange engine icon on your dashboard is stressful. Is it a loose gas cap, or is your transmission about to fail? Not knowing is the worst part.For years, your only option was to pay a mechanic a “diagnostic fee” just to plug in their computer and tell you what was wrong.At Auto Tools Mart, we believe vehicle owners should have access to the same information as the pros. We supply a range of diagnostic tools—from simple Bluetooth readers for your smartphone to advanced professional tablets—that translate your car’s computer codes into plain English.

👨‍🔧 Pro Insight: Knowledge is Power (and Money)

“When our mobile mechanics arrive at a ‘no-start’ call, the very first tool we grab is our diagnostic scanner. It tells us exactly where to look. By owning your own scanner, you can walk into a repair shop already knowing the trouble code. This prevents you from being oversold on repairs you don’t need. It’s the best insurance policy against shady mechanics.”

Choosing the Right Level of Diagnostic Tool

All cars and light trucks sold in the US after 1996 use a standard port called OBD2 (On-Board Diagnostics II). Any of our tools will plug into almost any modern car. The difference is in how much information they can read.

Entry-Level: Bluetooth & WiFi Dongles (The “Code Readers”)

These small devices plug into your car’s port and connect wirelessly to an app on your iPhone or Android.

What they do: Read and clear basic Check Engine codes (P-codes). They give you the code number and a basic definition.
Best for: The average driver who just wants to know why the light is on and if it’s safe to keep driving. Super convenient to keep in the glovebox.

Enthusiast Level: Handheld Scanners with Live Data

Rugged, standalone devices with their own screens. No phone required.

What they do: Everything above, plus they can read “Live Data” streams (seeing engine temperature, RPM, O2 sensor readings in real-time while the engine runs). Many can also read ABS (Brake) and SRS (Airbag) codes, which cheap readers cannot do.
Best for: DIY mechanics who do their own brakes, sensors, and basic repairs.

Professional Level: Advanced Tablet Scanners

These are the powerful tablets used by professional shops and our own roadside technicians.

What they do: All-systems scanning, advanced service resets (like oil lights, battery registration after replacement, electronic parking brake retraction), and “Bi-Directional” control (the ability to command the car to turn things on/off for testing).
Best for: Advanced DIYers, semi-pros, and fleet managers requiring deep access to vehicle systems.

Shop Diagnostic Scanners

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Example Product: BlueDriver Bluetooth Pro OBD2 Scan Tool
Example Product: Autel MaxiLink ML629 (ABS/SRS/Engine/Transmission)
Example Product: TOPDON Phoenix Pro Level Tablet

Frequently Asked Questions About Scanners

Q: Will these tools fix my car for me? A: No. A scanner is like a doctor’s stethoscope—it helps identify the illness, but it doesn’t perform the surgery. It tells you what the computer thinks is wrong (e.g., “Cylinder 3 MisfireDetected”), so you know what part needs attention.

Q: Will it work on my specific car? A: If your car or light truck was model year 1996 or newer in the US, yes. They all use the universal OBD2 standard protocol for engine lights.

Q: Why are some scanners $30 and some $3,000? A: A $30 scanner generally only talks to the engine computer to read emissions-related codes. A professional scanner talks to every computer in the car—transmission, ABS brakes, airbags, body controllers, climate control, etc.—and can perform active tests.

🛠️ Scanned the Code but Can’t Fix it Yourself?

Sometimes the code reveals a problem that is bigger than a DIY project. If you are in our local service area, our professional mobile mechanics can come to you to verify the diagnosis and perform the repair on-site.

👉 BOOK A MOBILE MECHANIC