A happy car driver decoded check engine light and car trouble codes with handheld OBD2 scanner

Quick scan,
big savings 

Instantly decode check engine lights and save thousands with the BLCKTEC 420 handheld OBD2 scanner

$39.99
$44.99

Free shipping + 30-day free return

Shop now on Amazon.comBLCKTEC 420 car diagnostic tool
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Quick scan, big savings

Instantly decode check engine light and save thousands with BLCKTEC 420 Handheld OBD2 scanner

From $xx9.99

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As Seen on

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5 star rated

“The actual repair took about 45 mins..super easy and I probably saved about $200.”

D. Green
Verified customer

Meet your car-savvy best friend,
the BLCKTEC OBD2 scanner

Piggy bank next to a dollar sign to indicate saving money

Save thousands

Find out how much car repairs should cost to avoid rip-offs.

Car icon with heart above to indicate safe driving

Easy to use

No complex jargons or rocket science involved. Just plug and scan.

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Prevent breakdowns

Spot and fix problems before they occur down the road.

Shield icon with check symbol to indicate peace of mind

Drive stress-free

Experience the peace of mind that comes with knowing your car’s health.

BLCKTEC OBD2 (On-Board Diagnostics II) scanners are nifty plug-in devices that translate your car’s mysterious check engine light codes into plain English, giving you advice on what might need attention.

A person holding OBD2 code reader, using it to read and clear car codes

Uncover what car owners
cannot stop raving about

OBD2 Scanner for Beginners/DIY


"Perfect for anyone getting into DIY auto repair. If you are a beginner looking for a quick and effective scanner, this can be it."

Hugh&Co.

Verified Buyer  

Saved me $150, great investment


“Thanks to this scanner, I saved myself that $150 and got the satisfaction of fixing the issue myself.”

Sean Wang

Verified customer

Great tool


“Easy to use !! Just download app plug in and it does the rest!!!”


joseph schobel

Verified customer

Exactly what i was looking for

“Local auto parts won’t delete codes so I ordered me this and am so glad i did”


JorgeKW

Verified customer

Very good

“Even my mechanic was surprised considering his diagnostic device didn't do any better.”


CR

Verified customer

What an awesome product! More than lives up to its advertisement.

“Made in the USA by an American company.... It is 100% accurate and gave me the confidence to trust the mechanic...”

kb777

Verified customer

engine light checker

Check engine light on? Try BLCKTEC

Shop now on Amazon

More reasons to choose BLCKTEC

Man's hand holding a smartphone, with the RS2 diagnostic app shown on screen

Find
the right fix

Beyond reading and clearing trouble codes, our OBD2 scanners provide the largest verified fix database to help customers identify and fix car problems.

Man's hand holding BLCKTEC OBD2 auto code reader inside a car

One scanner,
unlimited scans

Our auto scanners support unlimited vehicle scans and reports, as well as free firmware updates, saving you costs on future purchases

Reading and clearing car codes on a smartphone with Repair Solutions 2 app

Free
Premium App

Get valuable insights from our top-rated RS2 diagnostic app, including confirmed fixes, predicted repairs, and more. No subscription needed.

Customer support specialists talking on phone

Unrivaled US
Customer Support

We have local Americans on the line, ready to answer your questions in English or Spanish. All you need to do is pick up the phone.

American company

Proudly made.
Proudly USA

Unlike most competitors, BLCKTEC is a 100% American company, dedicated to providing quality products by Americans, for Americans.

BLCKTEC 420
Compact Handheld OBD-II Scanner

420 - Standard Diagnostics
420 - Standard Diagnostics
BLCKTEC 420 OBD2 scanner can quickly check your car whether it can pass emission or not.
BLCKTEC 420 OBD2 scanner tests your battery and alternator to avoid unexpected power issues.
BLCKTEC OBD2 scanners work with vehicles sold in the USA and Canada, made after 1996.
BLCKTEC offers free technical support that is based in the US. ASE certified reps standing by to help you with your car issues.
All BLCKTEC OBD2 scanners work with RepairSolution 2, a FREE premium app
420 - Standard Diagnostics
420 - Standard Diagnostics
BLCKTEC 420 OBD2 scanner can quickly check your car whether it can pass emission or not.
BLCKTEC 420 OBD2 scanner tests your battery and alternator to avoid unexpected power issues.
BLCKTEC OBD2 scanners work with vehicles sold in the USA and Canada, made after 1996.
BLCKTEC offers free technical support that is based in the US. ASE certified reps standing by to help you with your car issues.
All BLCKTEC OBD2 scanners work with RepairSolution 2, a FREE premium app
$39.99
$44.99

Free shipping + 30-day free return

Shop for BLCKTEC 420 OBD2 scanner on amazon.com now

Features that empower you to go the extra mile

Fast Free Shipping

Get your scanner delivered in 3-5 days. Need it faster? Opt for expedited shipping at checkout.

With Amazon's reliable shipping service on all orders, you'll receive speedy delivery to most locations (within the US). For any special requests, please reach out to our customer service team. Your peace of mind is our top priority.

HASSLE-FREE RETURN

Not 100% satisfied with our product? Not a problem. Let us know within 30-days of purchase for a full refund—no questions asked.

1-Year Warranty

Drive stress-free, knowing that your new scanner is protected by our free 1-year warranty.

Shop now on Amazon
Smartphone screen displaying DTC codes found during a vehicle scan while using the RS2 app

Get verified fixes from the highest-rated auto repair app in the US.

No subscription needed. EVER

Stay informed about recalls, TSB updates, predicted repairs, and more.

download

User downloads

1.69M

check engine light

Diagnostic trouble codes

68K

reviews

Reviews worldwide

18.9K

fixes

Verified fixes

100M

5 star reviews

Five-star ratings

4K+

Get for iOS and Android

Apple App store
google play

*RepairSolutions2 App is ONLY available for download in USA and Canada Apple App Store and Google Play Store and it will NOT work in other countries.

Best OBD2 scanner: the BLCKTEC 420 handheld scanner

Stay ahead of car troubles

$39.99
$44.99

Free shipping + 30-day free return

Shop now on Amazon

Get started with 3 quick & easy steps

Plug in the handheld OBD2 scan tool

Step 1: Plug it in

Plug the handheld car scanner into your car’s OBD2 port, which is typically located beneath the dashboard, near the driver’s seat.

Turn the ignition to

Step 2: Turn the key

Turn the ignition to “ON” position. DO NOT start the engine

Monitor your car’s vitals on the OBD2 scanner and get ready to troubleshoot.

Step 3: Start scanning

Monitor your car’s vitals on the scanner and get ready to troubleshoot. Download the FREE RS2 app on your phone to access more features.

Call us! We have Americans on the line, ready to help

BLCKTEC leads the field because we are a 100% US company. We provide unrivaled customer support, by Americans, for Americans

Besides US-based call support, we also have:

Live chat

24/7 Email support

Talk to one of our experts

English & Spanish available

Customer support specialists talking on phone
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BLCKTEC scanner supports all OBD2-compliant cars which are vehicles sold and registered in the USA and Canada after 1996, including sedans, light trucks, SUVs, and hybrids vehicles.

RepairSolutions2 App is only available in the USA and Canada.

Mechanic holding clipboard talking to a car owner at a auto parts / car repair shop

Stop Overpaying for Car Repairs

Be in the know and save on your next visit
to the mechanic

Don't get fooled by mechanics,
find the true cost of repairs

Shop now on Amazon

The BLCKTEC Difference

Our tools are designed for accuracy and ease, standing head and shoulders above the rest

Feature Other scanners
Subscription Fee Zero Subscription Fees Hidden Subscription Fees
Design  Users Friendly & Easy Set-up Clunky design, hard to use
Application Dedicated App with Regular Updates  Limited-feature app
Verified Fixes Provide Verified Fixes & Estimated Costs  No Guidance
Support US based ASE Certified Support  Limited or No support
Scans Unlimited Vehicle Scans  Limited Number of Scans

FAQ