10 Best All in One OBD2 Scanner for Diagnostics (November 2026)
The best all in one OBD2 scanners include the MOTOPOWER MP69033 Car OBD2 Scanner Code Reader for first-time buyers, the Zmoon ZM201 Professional OBD2 Scanner Diagnostic Tool for clear color readings, and the FOXWELL OBD2 Scanner Diagnostic Tool NT604 for four-system coverage.
On this page (8 sections)
- The best all in one OBD2 scanners for different jobs
- How these all in one scanners compare
- How we compared these scanners
- Which systems do you need an all in one scanner to read?
- Should you pick a handheld or a phone-based all in one scanner?
- What do update terms and fees mean for long-term use?
- How much should you spend on an all in one OBD2 scanner?
- Verdict: which all in one OBD2 scanner should you buy?
The best all in one OBD2 scanner for most drivers is the MOTOPOWER MP69033, a handheld that reads engine codes, shows live data and checks smog readiness without a phone or app. Pick the Zmoon ZM201 if you want a color screen with graphs, the FOXWELL NT604 if you need ABS and SRS codes, or the Autel MaxiCOM MK808S if you fix cars for a living.
Every scanner here reads and clears engine faults. What separates them is how far past the engine they reach and how much work they expect from you.
A basic reader plugs into the port and shows codes on its own screen. A Bluetooth dongle leans on your phone.
A tablet runs full-system scans and service resets.
That range matters because "all in one" means different things at different prices. If you only need to clear a check engine light, a simple reader does the whole job.
If you want to inspect brakes, airbags or a transmission before a repair, the tool needs those extra systems built in.
Our picks at a glance
-
1
Best for first-time buyersMOTOPOWER MP69033 Car OBD2 Scanner Code Reader
9.7/10 our score
See it on Amazon -
2
Best for clear color readingsZmoon ZM201 Professional OBD2 Scanner Diagnostic Tool
9.5/10 our score
See it on Amazon -
3
Best for four-system coverageFOXWELL OBD2 Scanner Diagnostic Tool NT604
9.0/10 our score
See it on Amazon
- 4
Check itInnova 5410 All-System OBD2 Scanner Diagnostic Tool
Best for app-based repair help - 5
Best for professional shopsCheck it - 6
Check itthinkcar Thinkdiag2 All System Bidirectional OBD2 Diagnostic
Best for phone-based full-system scans - 7
Check itXTOOL A30M Bluetooth Bidirectional Scanner
Best for cable-free testing - 8
Check itInnova SD35 ABS and SRS Scanner
Best for brake and airbag checks - 9
Best for smog-check prepCheck it - 10
Check itTOPDON Carpal Bluetooth Scanner
Best for multi-car households
The best all in one OBD2 scanners for different jobs
MOTOPOWER is the top pick for everyday drivers, while each model below solves a narrower need. Read the write-ups to match a scanner to the job you actually have.
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader: Best for first-time buyers
- 2.8-inch backlit LCD
- Built-in DTC lookup library
- Nine OBD2 protocols
- Six languages
A no-app handheld that reads and clears engine codes, shows live data and checks smog readiness. It is the simplest route into all in one diagnostics.
Pros
- Works with 1996 and newer OBD2 cars
- No battery or charger needed
- Freeze frame and live curve
Cons
- No ABS or airbag codes
- Engine-only diagnostics
MOTOPOWER suits a driver who wants one simple tool for a check engine light. Its built-in DTC library turns a code into a plain description, so you know what the fault means before you call a shop.
The 2.8-inch backlit screen adjusts contrast and runs from the car's OBD2 port, so there is no battery to charge. Freeze frame and live curve data let you see the conditions when a fault set, which helps when a code comes and goes.
Six buttons cover scrolling, enter and exit plus quick VIN and DTC lookups. The 2.5-foot cable is thick and flexible enough to reach the port from a comfortable seat.
The trade-off is clear: this reader handles engine and emissions codes only. It does not read ABS or airbag faults.
For brake or airbag work, pair it with one of the four-system picks here. See our guide to the best OBD2 scanner with live data if graphing matters most to you.
Zmoon ZM201 Professional OBD2 Scanner Diagnostic Tool: Best for clear color readings
- 2.8-inch color screen
- Live data graph view
- 50,000+ DTC database
- Lifetime free updates
A color-screen engine scanner with live graphs and freeze frame, plus light and dark display modes for bright or dim garages.
Pros
- Adjustable brightness and light/dark modes
- Live data with graph view
- I/M readiness before smog tests
Cons
- No ABS, SRS or transmission
- Engine diagnostics only
Zmoon takes the same engine-only job and makes the screen easier to read. The 2.8-inch color display has adjustable brightness plus light and dark modes, so codes stay legible in a sunny driveway or a dim garage.
Live data arrives in graph view, and the scanner also shows freeze frame, O2 sensor results, EVAP checks and I/M readiness. That set covers the same core engine diagnostics as the MOTOPOWER, with more ways to look at the readings.
It reads codes, clears them and pulls VIN information from more than 50,000 built-in DTC entries. Software updates are free for life, and an optional PC connection lets you review or print data on Windows.
Choose Zmoon when a color screen and graphs are worth more to you than the MOTOPOWER's simpler layout. Skip it if you need ABS or SRS coverage; like the top pick, it stays within the engine system.
Our OBD2 scanner for iPhone roundup covers phone-based options if you would rather not carry a handheld.
FOXWELL OBD2 Scanner Diagnostic Tool NT604: Best for four-system coverage
- ABS, SRS, engine and transmission diagnostics
- 4.3-inch screen
- AutoVIN
- Lifetime free updates
The first pick here that reaches past engine codes, with ABS, SRS and transmission coverage and a larger 4.3-inch display.
Pros
- Four-system diagnostics
- AutoVIN identifies the car
- Covers 60+ car makes
Cons
- Bigger body than a pocket reader
- Four systems only, not full-system scans
FOXWELL is the first step up into multi-system work. The NT604 reads and clears codes for the engine, ABS, SRS and transmission, so a brake or airbag warning joins the engine light in one scan.
Its 4.3-inch screen is larger than the handhelds above, and AutoVIN reads the vehicle identification number automatically instead of making you type it in. That shortens setup on an unfamiliar car.
Coverage runs to more than 60 car brands and 10,000+ vehicles, including passenger cars, SUVs, minivans and light-duty trucks. Lifetime updates carry no subscription fee, and the tool shows battery voltage in graph and text form.
It suits a DIY owner who wants to check safety systems without buying a tablet. The trade-off against the Autel is depth: the NT604 covers four systems, not every module in the car.
For VW and Audi owners, our OBD2 scanner for VW guide goes deeper on brand-specific needs.
Innova 5410 All-System OBD2 Scanner Diagnostic Tool: Best for app-based repair help
- All-system diagnostics
- Bluetooth to RepairSolutions2 app
- Live sensor data
- No subscriptions
An all-system scanner that pairs with the RepairSolutions2 app for verified fixes and suggested parts, without a subscription.
Pros
- Reads engine, ABS, SRS and transmission
- RepairSolutions2 app guidance
- No subscription fees
Cons
- Compatibility varies by make and model
- App needed for the repair guidance
Innova pairs all-system diagnostics with an app that helps you act on what you find. The 5410 reads and clears engine, ABS, SRS and transmission codes, then sends the results to the RepairSolutions2 app for verified fixes.
That app guidance is the reason to pick it. Innova says RepairSolutions2 is used by 4 million people, and the app adds step-by-step repair help, suggested parts and cost estimates with no subscription.
Live data covers RPM, fuel trims, temperature, oxygen sensor performance and battery voltage. Coverage reaches most 1996 and newer cars from Toyota, Ford, Honda, Chevrolet, Nissan and Dodge, though it varies by model and year.
The 2.8-inch screen keeps the unit compact. Choose it when you want repair direction alongside the codes.
It is a narrower system set than the Autel below, and coverage is not universal. Our Innova 5210 review shows how the smaller sibling in the same family compares.
Autel MaxiCOM MK808S: Best for professional shops
- 7-inch Android tablet
- 28+ service functions
- 3,000+ active tests
- Full-system diagnostics
A tablet scanner built for daily repair work, with bidirectional tests and 28+ service functions across 200+ brands.
Pros
- Full-system scans and active tests
- Wide brand coverage
- Wired connection stays stable
Cons
- Annual upgrade fee after the first year
- Premium price tier
Autel is the pro-grade pick. The MaxiCOM MK808S is a 7-inch Android tablet that runs full-system diagnostics across engine, transmission, ABS, body and electrical modules.
Its 3,000+ active tests let you command fans, lights, horn, doors, windows, mirrors, cameras and pumps directly. That turns a guess into a check: send the command, watch the part respond, and confirm the fault.
The service menu lists 28+ functions, including oil reset, BMS, SAS, injector coding, clutch learn, cylinder balance and suspension calibration. Coverage spans 200+ brands, and a wired connection avoids the drops a Bluetooth link can bring.
Autel includes gateway access for newer Renault, FCA and VAG models. The trade-off is cost: this is a premium tool with an annual upgrade fee after the first year.
Pick it if repair work pays for itself. Our Innova 5210 review is a useful contrast for buyers who want app help at a lower tier.
thinkcar Thinkdiag2 All System Bidirectional OBD2 Diagnostic: Best for phone-based full-system scans
- Bluetooth to iOS and Android
- All-system diagnostics
- 15+ maintenance resets
- CAN-FD protocol support
A Bluetooth dongle that turns your phone into a full-system scanner with bidirectional tests and 15+ resets.
Pros
- Full-system scans on a phone
- CAN-FD support for newer GM cars
- FCA AutoAuth portal
Cons
- Annual renewal fee after year one
- Phone and network needed to diagnose
thinkcar turns your phone into a full-system scanner. The Thinkdiag2 is a Bluetooth dongle that reads and clears codes across engine, ABS, SRS, transmission, EPB, TPMS and more, using the iOS or Android app.
CAN-FD support is its standout spec. That protocol covers newer GM vehicles from 2019 onward, so you skip buying a separate adapter and avoid missed faults on those cars.
FCA AutoAuth opens the protected gateway on Chrysler, Dodge, Jeep, Alfa Romeo and Fiat models after 2019, though you register and pay for that account yourself.
Bidirectional tests let you command components like the A/C clutch, windows and sunroof from the phone. There are 15+ maintenance resets and coverage for 120+ car brands.
The trade-off is the renewal: after the first year, software updates cost extra. Pick it if you already carry a phone, want full-system depth and drive a newer GM or FCA vehicle.
Our OBD2 scanner for iPhone roundup covers more app-driven tools.
XTOOL A30M Bluetooth Bidirectional Scanner: Best for cable-free testing
- Bluetooth 4.0 range to 33 ft
- 26+ resets
- 8 live data streams
- Lifetime free updates
A wireless scanner with lifetime free updates and active tests you can run from outside the car.
Pros
- Bidirectional tests without a cable
- 26+ service resets
- Covers 85+ car brands
Cons
- Phone app required
- FCA AutoAuth account costs extra
XTOOL keeps the diagnostics on your phone but drops the cable. The A30M connects over Bluetooth 4.0 with a range of up to 33 feet, so you can run active tests on windows or wipers while standing outside the car.
Lifetime free updates separate it from the thinkcar. There is no renewal fee for the app's service functions, which suits a weekend mechanic who wants the software to stay current without a subscription.
It runs full-system scans and offers 26+ resets, including oil, EPB, SAS, ABS bleeding, throttle relearn, injector coding and tire size. Up to eight live data streams graph at once.
Coverage reaches 85+ brands, with CAN-FD for 2020+ GM cars and FCA AutoAuth for 2018+ Chrysler, Jeep, Dodge and Fiat. The FCA account costs extra, as it does on the thinkcar.
Choose the A30M when you want cable-free testing and no update fee. Our Innova 5210 review shows a handheld alternative with app support.
Innova SD35 ABS and SRS Scanner: Best for brake and airbag checks
- ABS, SRS and TPMS codes
- Battery and alternator test
- Oil light reset
- RepairSolutions2 app
A tablet-style scanner focused on safety systems, with TPMS checks and a battery test on top of engine codes.
Pros
- Reads ABS and SRS codes
- Battery and alternator testing
- No subscriptions
Cons
- Narrower system coverage than the Autel
- Compatibility varies by vehicle
Innova's SD35 puts safety systems first. It reads and clears ABS, SRS and TPMS codes alongside engine faults, and its battery and alternator test catches a weak electrical system before it strands you.
The 3.5-inch tablet screen keeps codes and live data readable, and the RepairSolutions2 app adds verified fixes with no subscription. That combination suits someone chasing a brake or airbag light rather than a full engine teardown.
Live data includes RPM, fuel trims, temperature and oxygen sensor readings. Oil light reset and TPMS sensor checks round out the service functions.
Coverage reaches 1996 and newer cars from Toyota, Ford, Honda, Chevrolet, Nissan and Dodge, though it varies by model. It overlaps with the FOXWELL on ABS and SRS but adds TPMS and battery testing.
It covers engine, ABS, SRS, TPMS and transmission, but with narrower depth and brand coverage than the Autel. Pick it when safety-system checks are your main goal.
ANCEL AD410 Code Reader: Best for smog-check prep
- 2.4-inch color screen
- 42,000+ DTC lookups
- I/M readiness check
- Live engine data
A compact engine reader that makes smog-check readiness easy to read, with code definitions shown on screen.
Pros
- Built-in DTC definitions
- I/M readiness for smog tests
- No app or battery needed
Cons
- Engine codes only
- No bidirectional controls
ANCEL targets the smog-check crowd. The AD410 checks I/M readiness so you know whether the car's monitors are set before an emissions test, and its 42,000+ DTC lookups show code definitions on screen.
The 2.4-inch color display and simple menu make it easy for a new driver. It reads and clears engine codes, shows live data like RPM and coolant temperature, and runs O2 and EVAP tests.
There is no app, battery or Bluetooth step: plug it in and scan.
It handles most 1996 and newer US cars plus many 2000 and newer EU and Asian models, across CAN, ISO9141, KWP2000 and J1850 protocols. Free updates keep the code database current.
The limits are the same as the two budget readers: engine and emissions only, with no ABS, SRS or bidirectional controls. Pick it when a failed smog test is the worry and you want readiness shown clearly.
TOPDON Carpal Bluetooth Scanner: Best for multi-car households
- Bluetooth 5.0
- Six maintenance resets
- Battery test and smog check
- All-system health check
A pocket Bluetooth scanner that covers all systems and six common resets across more than 90 car brands.
Pros
- All-system health check
- Six common reset services
- Fits in a pocket
Cons
- Six special functions need payment to keep
- Fewer resets than the XTOOL
TOPDON's Carpal is the smallest tool here. The Bluetooth 5.0 dongle fits in a pocket and runs an all-system health check through your phone, flagging faults as severe or minor with repair notes for each code.
Six maintenance resets cover oil, TPMS, BMS, EPB, throttle adaptation and DPF regeneration. A battery test, smog pre-check and 0–60 mph performance test add extra checks beyond the codes.
Live data shows in graphs, numbers and gauges, with 4-in-1 graphs for comparing readings. Coverage reaches more than 90 car brands, which helps a household with several makes.
The catch is the reset menu: only the six special functions need payment to keep, while the rest of the app stays free. That is fewer resets than the XTOOL or thinkcar offer.
Pick Carpal for light checks across several cars; move up for heavy repair work. For live-data depth, see our OBD2 scanner with live data guide.
How these all in one scanners compare
The table puts screen size, system coverage and update terms side by side. Use it to narrow the field before reading the write-ups in detail.
| Product | Best for | Screen | Power | Systems | Our score |
|---|---|---|---|---|---|
| MOTOPOWER MP69033 Car OBD2 Scanner Code Reader | first-time buyers | 2.8 in LCD | Vehicle OBD2 port | Engine only | 9.7 |
| Zmoon ZM201 Professional OBD2 Scanner Diagnostic Tool | clear color readings | 2.8 in color | Vehicle OBD2 port | Engine only | 9.5 |
| FOXWELL OBD2 Scanner Diagnostic Tool NT604 | four-system coverage | 4.3 in | Engine, ABS, SRS, transmission | 9.0 | |
| Innova 5410 All-System OBD2 Scanner Diagnostic Tool | app-based repair help | 2.8 in | Engine, ABS, SRS, transmission | 8.8 | |
| Autel MaxiCOM MK808S | professional shops | 7 in | Full system | 8.5 | |
| thinkcar Thinkdiag2 All System Bidirectional OBD2 Diagnostic | phone-based full-system scans | Full system | 8.3 | ||
| XTOOL A30M Bluetooth Bidirectional Scanner | cable-free testing | Full system | 8.0 | ||
| Innova SD35 ABS and SRS Scanner | brake and airbag checks | 3.5 in | Engine, ABS, SRS, TPMS | 7.8 | |
| ANCEL AD410 Code Reader | smog-check prep | 2.4 in color | Vehicle OBD2 port | Engine only | 7.6 |
| TOPDON Carpal Bluetooth Scanner | multi-car households | All system | 6.9 |
How we compared these scanners
Our score weighs specs, features and buyer feedback against what you're shopping for. We started with system coverage, because that is what "all in one" means in practice.
An engine-only reader and a full-system tablet are not the same tool at different prices; they do different jobs.
From there we checked the screen, the connection type and the update terms. A color screen and graphs help when you read live data.
A wired link avoids Bluetooth drops during long scans. Free lifetime updates keep a scanner useful for years, while an annual fee changes the true cost.
Finally we weighed the reset and bidirectional features. These matter to DIY owners and shops, but they add complexity and cost.
A driver who only clears a check engine light does not need 28 service functions. A shop that fixes brakes every week does.
Which systems do you need an all in one scanner to read?
The answer depends on what warning light you are chasing. An engine-only reader covers the check engine light and emissions tests.
A four-system tool adds ABS, SRS and transmission. A full-system tablet reaches body and electrical modules too.
Start with the light on your dash. If it is the check engine light, a reader like the MOTOPOWER or Zmoon does the job.
If it is the ABS or airbag light, you need at least the FOXWELL or Innova 5410. If you plan to service brakes, steering or body modules, go to the Autel.
Buying more coverage than you need costs money and adds menus. Buying too little means a second tool later.
Match the systems to the faults you actually plan to diagnose.
Engine and emissions only
Pick this tier for check engine lights, smog readiness and live engine data. The MOTOPOWER, Zmoon and ANCEL models sit here.
They are the simplest to use and the cheapest to own.
Four-system coverage
This tier adds ABS, SRS and transmission. The FOXWELL NT604 and Innova 5410 fit here.
Choose it when a brake or airbag light is on and you want to read the code yourself.
Full-system and service resets
This tier covers body and electrical modules plus active tests and resets. The Autel MK808S, thinkcar Thinkdiag2 and XTOOL A30M sit here.
It suits DIY owners doing their own maintenance and shops that need depth.
Should you pick a handheld or a phone-based all in one scanner?
Handheld scanners are the better first buy for most drivers, because they work without a phone, an app or a network. Phone-based tools are better when you want full-system depth and already carry your phone everywhere.
A handheld keeps everything on one screen. Plug it in, turn the ignition on, and read the codes.
There is no pairing step and no app update to wait for. That matters when you are standing in a parking lot with a warning light on.
A phone-based scanner puts a larger screen and more processing power to work. It can show full-system scans, repair guides and live graphs on the phone you already own.
The cost is a pairing step and, on some models, a yearly renewal.
Handheld scanners
These suit quick checks and owners who do not want an app. The MOTOPOWER, Zmoon, FOXWELL, Innova 5410 and ANCEL models are all handheld or tablet-style units with their own screens.
Pick one if you want the simplest workflow.
Bluetooth scanners
These suit full-system work and buyers who prefer a phone screen. The thinkcar Thinkdiag2, XTOOL A30M and TOPDON Carpal are dongles that run through an app.
Pick one if you want full-system depth without carrying a tablet.
What do update terms and fees mean for long-term use?
Free lifetime updates are the best value, and several picks here offer them. Renewal fees are the hidden cost to check before you buy a Bluetooth or tablet scanner.
A scanner's value fades if its code database goes stale. New models bring new codes every year.
The MOTOPOWER, Zmoon, FOXWELL and ANCEL models all include free updates. The XTOOL A30M also includes lifetime free updates for its app functions.
The Autel MK808S and thinkcar Thinkdiag2 charge after the first year. Autel lists an annual upgrade fee, while thinkcar charges a yearly renewal unless you request a promotional rate.
For a shop that is easy to absorb. For a home user who scans twice a year, it is a real cost to weigh against the extra coverage.
How much should you spend on an all in one OBD2 scanner?
Spend on coverage, not on brand names. A budget engine reader covers most household needs.
The extra money buys extra systems, active tests and service resets, so decide which of those you will actually use.
Budget readers sit in the simplest tier. They read engine codes, clear the light, show live data and check readiness.
For a driver with one car and no repair plans, that is enough.
Mid-range tools add ABS, SRS and transmission coverage. That tier suits a DIY owner who wants to read a brake or airbag code before deciding on a repair.
The FOXWELL and Innova 5410 sit here.
Premium tools add full-system scans, bidirectional tests and service resets. They pay for themselves only if you do regular repair work or own several cars.
The Autel MK808S, thinkcar Thinkdiag2 and XTOOL A30M are the premium picks.
Verdict: which all in one OBD2 scanner should you buy?
For most people, the MOTOPOWER MP69033 is the all in one OBD2 scanner to buy. It reads and clears engine codes, shows live data, checks smog readiness and runs from the car's port with no app or battery.
It is the highest-scored pick here because it does the everyday job with the least fuss.
Move up only when you have a reason. Pick the Zmoon ZM201 for a color screen and live graphs.
Pick the FOXWELL NT604 for ABS and SRS codes. Pick the Innova 5410 for app-based repair help.
Pick the Autel MaxiCOM MK808S or XTOOL A30M when you fix cars regularly and want active tests and resets.
If you drive a newer GM or FCA car, the thinkcar Thinkdiag2 earns its renewal fee through CAN-FD and AutoAuth coverage. For light checks across several cars in one household, the TOPDON Carpal is the pocket option.
Whichever you choose, match the systems to the warning light you actually see. For more depth on live data, read our OBD2 scanner with live data guide.
Our top 3 picks at a glance
-
1
Best for first-time buyers
MOTOPOWER MP69033 Car OBD2 Scanner Code Reader
9.7/10 our score
See it on Amazon -
2
Best for clear color readings
Zmoon ZM201 Professional OBD2 Scanner Diagnostic Tool
9.5/10 our score
See it on Amazon -
3
Best for four-system coverage
FOXWELL OBD2 Scanner Diagnostic Tool NT604
9.0/10 our score
See it on Amazon
Frequently asked questions
What does an all in one OBD2 scanner actually cover?
It covers engine fault codes and full OBD2 functions first, then adds more systems as the price rises. Mid-range tools reach ABS, SRS and transmission, while tablet scanners add full-system scans, active tests and service resets.
Do I need a scanner with bidirectional controls?
Only if you plan to test components yourself. Bidirectional controls let the tool send commands to the car, such as running the radiator fan or opening a window.
For reading and clearing codes, a basic engine reader is enough.
Will a cheap engine-only reader still be useful?
Yes. An engine reader clears a check engine light, shows freeze frame data and checks smog readiness.
It just cannot read ABS, airbag or transmission codes, so you would need a second tool or a shop visit for those systems.
Can I use an all in one scanner on my phone instead of a handheld?
Yes. Bluetooth scanners like the thinkcar Thinkdiag2 and XTOOL A30M run full diagnostics through an iOS or Android app.
They add a phone and app to the workflow, so the handheld models stay simpler for quick checks.
Which scanner is best for checking a car before I buy it?
A four-system or all-system model like the FOXWELL NT604 or Innova 5410 shows engine, ABS, SRS and transmission codes in one pass. That gives you a fuller picture than an engine-only reader when you inspect a used car.
