Save more with SMOG Checker
The essential OBD2 scanner that decodes check engine light and tells emissions test results
Free shipping + 30-day free return
Quick scan, big savings
Instantly decode check engine light and save thousands with BLCKTEC 420 Handheld OBD2 scanner
From $xx9.99
As Seen on
“This Diagnostic Tool has been a lifesaver for me. Offers convenience, accuracy, and value that's hard to beat.”
KatyaLi
- Verified Customer
Pass with confidence.
Know the SMOG test results beforehand
Do a 1-min scan at home with the BLCKTEC SMOG Checker to find out whether your car is ready to pass the emissions inspection
Good
to go
Potential
issues
Needs
fix
Why every driver needs a BLCKTEC OBD2 scanner
Save thousands
Find out how much repairs should cost to avoid rip-offs.
Easy to use
No complex jargons or rocket science involved. Just plug and scan.
Prevent breakdowns
Spot and fix problems before they occur down the road.
Drive stress-free
Experience the peace of mind that comes with knowing your car’s health.
First time diagnosing your car?
We’ve got you covered. Just plug and scan
Don’t know which is the right scanner for you?
Find your tool now
Don’t know which is the right scanner for you? Take our 2 mins quiz and find out
Uncover what car owners
cannot stop raving about
Uncover what car owners cannot stop raving about
Check engine light on? Try BLCKTEC
More reasons to choose BLCKTEC
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.
One scanner,
unlimited scans
Our scanners support unlimited vehicle scans and reports, as well as free firmware updates, saving you costs on future purchases
Free
Premium App
Get valuable insights from our top-rated RS2 app, including confirmed fixes, predicted repairs, and more. No subscription needed.
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.
Proudly made.
Proudly USA
Unlike most competitors, BLCKTEC is a 100% American company, dedicated to providing quality products by Americans, for Americans.
SMOG Checker
BLCKTEC 400 Entry Level Handheld OBD-II Scanner
Free shipping + 30-day free return
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.
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.
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.
user downloads
1.69M
Trouble codes
68K
Reviews worldwide
18.9K
Verified fixes
100M
Five-star ratings
4K+
Get for iOS and Android
*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.
Save time and money by passing your emissions test the first time
Free shipping + 30-day free return
Get started with 3 quick & easy steps
Step 1: Plug it in
Plug the scanner into your car’s OBD2 port, which is typically located beneath the dashboard, near the driver’s seat.
Step 2: Turn the key
Turn the ignition to “ON” position. DO NOT start the engine
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 expertsEnglish & Spanish available
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.
Stop Overpaying for Car Repairs
Be in the know and save on your next visit
to the mechanice
Don't get fooled by mechanics,
find the true cost of repairs
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 |