If you’re hunting for the best OBD2 scanner under $50, you want accuracy, ease of use, and solid compatibility without breaking the bank. Below you’ll find a curated list of reliable, budget-friendly scanners that cover basic diagnostics, live data, and code clearing — all great picks for DIYers and first-time buyers.
Quick Product Comparison
Our Top 9 Best Obd2 Scanner Under $50 Reviews – Expert Tested & Recommended
1. OBD2 Scanner Diagnostic Tool with Reset Mode 6 Mode 8 IM Readiness Best OBD2 Scanner Under 50
The OBD2 Scanner Diagnostic Tool is a compact, no-fuss reader that supports Mode 6 and Mode 8 plus a massive built-in DTC lookup. It reads and clears codes quickly and works with most cars. For the price, it’s a standout for reliability and useful extras.
Key Features That Stand Out
- ✓ Built-in 35,901 DTC lookup library for quick code definitions
- ✓ Supports Mode 6, Mode 8 and I/M readiness checks
- ✓ Compatible with ~98% of OBD2 vehicles and multiple languages
- ✓ Durable handheld design for frequent garage use
Why We Recommend It
This unit gives you near-professional diagnostics without the complexity. It’s fast at pulling codes, easy to read, and the large DTC library saves time looking up issues online.
Best For
DIYers who want a reliable, standalone reader that handles advanced OBD tests without phone apps or subscriptions.
Pros and Cons
Pros:
- Extensive built-in DTC database
- Supports advanced modes for deeper diagnostics
- Simple menu and durable build
- Great value under $50
Cons:
- Not as feature-rich as pricier professional tools
- No Bluetooth or phone integration
Customer Reviews
Customer Review: ‘I have tried several scanners before this one. This scanner works with my vehicle 1st try and is EZ peasy to operate. It worked on a 2003 Infiniti Q45 that other scan tools would not. Others that work via Bluetooth with cell phone would connect but were too complicated to quickly diagnose. This scan’
Customer Review: ‘Works very well with my Volvo. Has saved me money!Read more’
2. VDIAGTOOL VD10 OBD2 Scanner with Freeze Frame and IM Readiness Turn Off CEL Best Under 50
The VDIAGTOOL VD10 is built for homeowners who want a quick code reader with freeze frame and I/M readiness. It’s straightforward and shows code definitions on the screen so you don’t have to look them up elsewhere.
Key Features That Stand Out
- ✓ Freeze frame data capture for context on codes
- ✓ Built-in DTC lookup and on-screen definitions
- ✓ Read and clear CEL codes plus I/M readiness
- ✓ No phone required — standalone operation
Why We Recommend It
VDIAGTOOL VD10 keeps diagnostics simple and quick. The freeze frame and clear on-screen descriptions make it friendly for first-timers.
Best For
Car owners who want a simple, reliable reader to diagnose and clear check engine light issues without a smartphone.
Pros and Cons
Pros:
- Easy to use with clear screen readouts
- Good build quality for the price
- Standalone — no apps or pairing needed
Cons:
- Limited advanced features compared to pro tools
- Screen can be small for long code lists
Customer Reviews
Customer Review: ‘This worked perfect for what I needed. Very easy to use and easy to read the codes. Quality seems really good, especially for the price.’
Customer Review: ‘As a “shade tree” mechanic fixing my own vehicles I can't do much without a good (cheap) code reader. My old BT model would not connect to my phone, so I ordered this all-in-one setup. Works great, easy to use, no phone app or finicky BT required. Most surprisingly it comes with a decent little m’
3. OBD2 Scanner and 12V Battery Tester Live Data Smog Check for Car Motorcycle Best Under 50
This multi-function unit combines OBD2 scanning with a 12V battery tester — handy for anyone who wants diagnostics and battery health in one affordable tool. It checks I/M readiness for smog testing and displays live data.
Key Features That Stand Out
- ✓ Integrated 12V battery tester with health and voltage readouts
- ✓ Live data display for sensors and engine info
- ✓ I/M readiness check for smog inspections
- ✓ Works with cars and many motorcycles (OBD-II compatible)
Why We Recommend It
Combining battery testing and OBD2 scanning in one tool saves time and space. It’s useful for seasonal checks and quick roadside troubleshooting.
Best For
Drivers who want a compact scanner plus battery tester to diagnose starting and engine issues.
Pros and Cons
Pros:
- Two tools in one — saves money and clutter
- Quick I/M readiness check for smog testing
- Clear live data for basic troubleshooting
Cons:
- Battery tester may be less detailed than standalone testers
- Not all motorcycle models supported
Customer Reviews
Customer Review: ‘This car battery jump starter is an excellent all in one tool that every vehicle owner should keep on hand. The power output is very strong and has no trouble starting cars, trucks, and even larger engines. It works quickly and reliably, which gives peace of mind when dealing with a dead battery at ‘
Customer Review: ‘This saved me yesterday. My car wasn’t starting at the gas station after I’ve just filled up because of the battery and as a woman I got scared. But this helped me and it was so easy to use all I did was pop the bonnet and attach the cords to my battery and gave it a jump start. I would definitely r’
4. Bluetooth OBD2 Scanner Wireless Diagnostic Tool for iOS and Android Live Data Clear Codes Best Under 50
This Bluetooth OBD2 reader pairs with iOS and Android apps to show live data and clear codes. It’s a good option if you prefer a phone interface and live graphs for sensor data.
Key Features That Stand Out
- ✓ Bluetooth connection for phone-based apps
- ✓ Live data visualization and clearing codes from your phone
- ✓ Compact design and easy setup
Why We Recommend It
If you like seeing live graphs and prefer app-based diagnostics, this Bluetooth tool gives you that flexibility at a budget price.
Best For
Users who want app integration and live data on iOS or Android without a bulky handheld unit.
Pros and Cons
Pros:
- Works with both iOS and Android apps
- Small and portable
- Good value for app-enabled features
Cons:
- Relies on third-party apps for full functionality
- Requires phone battery and connection to use
Customer Reviews
Customer Review: ‘This OBD2 scanner is a must-have tool if you work on your own vehicles or just want to know what’s going on under the hood. I’ve tested it on multiple cars and it connected fast and easy with both iOS and Android. The exclusive app it comes with is clean, easy to use, and gives real-time data withou’
Customer Review: ‘Works as it says in the description! I have used this for two vehicles so far and the app and reader are very simple to navigate and use! I would recommend this product.’
5. OBD2 Code Reader with Battery Tester Mode 6 IM Readiness for OBDII Cars Best Under 50
This OBD2 code reader adds a battery tester and supports Mode 6 and I/M readiness, so it’s handy for both engine diagnostics and battery checks. It’s straightforward and built for frequent use.
Key Features That Stand Out
- ✓ Combined OBD2 reader and battery tester
- ✓ Mode 6 and I/M readiness for deeper checks
- ✓ Clear code read and basic live data
Why We Recommend It
It’s a versatile pick when you want engine and battery checks in one device. The Mode 6 support helps catch intermittent faults before they become bigger problems.
Best For
Owners who want an all-in-one handheld tool for engine codes and battery health checks on a budget.
Pros and Cons
Pros:
- Combines battery and engine diagnostics
- Supports advanced OBD2 modes for better insight
- Easy to read and navigate
Cons:
- Battery tester readings are basic compared to dedicated units
- Not as many live data channels as mid-range devices
Customer Reviews
Customer Review: ‘This product worked fine for basic code reading and battery checks. The interface is simple and reliable for quick checks before heading to the shop.’
Customer Review: ‘Good budget tool. It helped me diagnose a charging issue and check battery voltage without a shop visit. Not super advanced, but great value.’
6. ZMOON ZM201 OBD2 Scanner Enhanced Check Engine Code Reader with Reset for OBDII Vehicles Best Under 50
The ZMOON ZM201 is a straightforward reader that focuses on the essential: read and reset codes, I/M readiness, and live data. It’s a great low-cost option with clear instructions and good compatibility.
Key Features That Stand Out
- ✓ Read and clear engine codes quickly
- ✓ Live data and freeze frame support
- ✓ Wide vehicle compatibility for post-1996 models
Why We Recommend It
ZMOON balances simplicity and capability. It does what most owners need without extra noise or confusing menus.
Best For
Drivers who want a reliable code reader to clear the check engine light and monitor basic live data.
Pros and Cons
Pros:
- Easy to use and quick to display codes
- Good compatibility across common cars
- Affordable and well-built for occasional use
Cons:
- Screen can be small for extended data viewing
- Limited advanced analytics compared to higher-end models
Customer Reviews
Customer Review: ‘I got this for our 2018 Nissan Sentra when the check engine light popped on, and I’m so glad I did! I had been thinking about getting one for a while, but that little warning light pushed me over the edge. Having this at home is a total game-changer—I no longer have to run to the auto parts store or’
Customer Review: ‘I have a 2014 F-250 6.7L Diesel. I pop codes constantly because of some modifications. This works great, let’s me clear the codes and get back to using remote start. (Remote start doesn’t work if an active engine code is on)’
7. MOTOPOWER MP69040 OBD2 Scanner Check Engine Fault Code Reader Diagnostic Tool Best Under 50
The MOTOPOWER MP69040 is feature-rich for its price with a large DTC database and basic live-data functions. It’s an excellent handheld for routine checks and early diagnostics.
Key Features That Stand Out
- ✓ Up-to-date OBD functions: read/clear codes and turn off MIL
- ✓ Large DTC database compared to cheaper models
- ✓ Supports multiple OBDII protocols for broad compatibility
Why We Recommend It
MP69040 delivers the core features most owners need, with a good database and easy navigation at a wallet-friendly price.
Best For
Owners who want comprehensive OBDII coverage and reliable code reading without a big investment.
Pros and Cons
Pros:
- Comprehensive OBD functions for the price
- Large code library for better diagnostics
- Good compatibility with many vehicle protocols
Cons:
- Interface is functional but dated
- Not as many advanced testing modes as pro tools
Customer Reviews
Customer Review: ‘The sudden glow of the “Check Engine” light used to fill me with dread. I bought the MOTOPOWER MP69040 scanner hoping for a little clarity, and it has completely exceeded my expectations, transforming how I handle basic car diagnostics.Flawless Connectivity & Ease of Use: This is the definition of p’
Customer Review: ‘Simple to use, no issues. I had to use it to test my battery as well which gave me an indication of a slow initial crank time for my car. Well worth it.’
8. Veepeak OBDCheck BLE Bluetooth OBD2 Scanner Wireless Diagnostic Tool for iOS and Android Best Under 50
The Veepeak OBDCheck BLE is a well-known budget Bluetooth adapter that works with many third-party apps. It’s ideal if you want to use phone apps for deeper data and logging.
Key Features That Stand Out
- ✓ Bluetooth LE & Classic support for Android, BLE for iOS
- ✓ Reads/clears codes, freeze frame, I/M readiness and live data
- ✓ Compact and easy to store in glovebox
Why We Recommend It
It’s flexible and app-friendly. If you want to visualize data on your phone and use different apps for extra features, this adapter is a solid budget pick.
Best For
Tech-savvy DIYers who like app-based diagnostics and logging sensor data on a phone or tablet.
Pros and Cons
Pros:
- Good app compatibility and features
- Works well with many Android and iOS apps
- Small and inexpensive
Cons:
- Depends on third-party apps for full functionality
- Occasional compatibility quirks with some vehicle models
Customer Reviews
Customer Review: ‘It took a minute to download the app and then it was easy. This thing does quite a bit, I just used it to clear an engine light and a couple sensor alarms. I figured if they came right back it meant they were real, but they cleared and stayed clear. Took about 5 mins to figure it all out and get don’
Customer Review: ‘Works great. Loads of car information. Even the free app version has way more than I need. Really gives you a great idea how complex modern vehicles are.’
9. BLCKTEC 420 Bluetooth OBD2 Scanner Clears Engine Light App for iOS Android Best Under 50
The BLCKTEC 420 pairs with a dedicated app to give code descriptions and suggested fixes. It’s small, rugged, and a convenient tool for light diagnostics and smog pre-checks.
Key Features That Stand Out
- ✓ App pairing with code explanations and suggested repairs
- ✓ Useful for smog pre-checks and basic diagnostics
- ✓ Durable and easy to stow in a glovebox
Why We Recommend It
BLCKTEC gives a helpful app experience that points you toward fixes. For casual users who want guidance, this model is friendly and informative.
Best For
Drivers who prefer app guidance and want an inexpensive scanner to prep for smog tests or simple repairs.
Pros and Cons
Pros:
- App suggests possible fixes and parts
- Small, sturdy design
- Good for smog readiness and basic checks
Cons:
- Relies on app quality for best experience
- May not support all advanced manufacturer codes
Customer Reviews
Customer Review: ‘Neat little tool and easy to use. It will run a diagnostic test on your vehicle and show the different codes that need attention. The thing I like mostly is you can sync this tool to your phone by downloading a free app and the app will suggest the parts you will need to fix your vehicle! Pretty nea’
Customer Review: ‘Good device it accurately lets me know when a vehicle passes a smog check and if it has any serious issues depending on the codes, I’ve dropped this product many times and it’s still working perfectly fine, easy to use this is actually the second time I purchase it good investment 🙌🏼’
Complete Buying Guide for Best Obd2 Scanner Under $50
Essential Factors We Consider
When choosing the best obd2 scanner under $50, we focus on compatibility, ease of use, and which diagnostics are supported. Look for I/M readiness, DTC lookup, and whether you want Bluetooth app support or a standalone handheld unit.
Budget Planning
Under $50, you’ll find reliable basic readers and Bluetooth dongles. If you need advanced bi-directional tests or manufacturer-specific features, expect to spend more. For most owners, a $25–$50 scanner covers routine needs.
Final Thoughts
Pick a scanner that matches how you work: go handheld for quick in-garage checks or Bluetooth for app-based live data. The models above offer the best balance of value and function in the best obd2 scanner under $50 category.
Frequently Asked Questions
Q: Will a $50 OBD2 scanner work on all cars?
A: Most budget OBD2 scanners support generic OBD-II protocols and work on gasoline cars made since 1996 (US). They may not support all manufacturer-specific codes on some newer or specialized vehicles.
Q: Do Bluetooth OBD2 scanners work with iPhone?
A: Some Bluetooth devices support iOS via Bluetooth LE and compatible apps. Check product details for iOS support — many require BLE and a compatible app.
Q: Can these scanners turn off the check engine light?
A: Yes — most readers listed can read and clear generic and many manufacturer codes, which will turn off the check engine light if the underlying issue is resolved.
Q: Do I need an app to use a Bluetooth scanner?
A: Yes. Bluetooth OBD2 adapters typically need a third-party app to display codes and live data. Handheld readers do not require a phone.
Thanks for reading this roundup of the best obd2 scanner under $50. If you want a simple recommendation: choose a standalone handheld if you prefer no-phone use, or pick a Bluetooth adapter if you like app-based live data. Click the Check Price buttons above to see current prices and pick the model that fits your needs.