3 Greatest OBD2 scanners for residence mechanics


The OBD is brief for On-Board Prognosis, a diagnostic protocol that retains monitor of auto operation. When the automobile is working, its management modules monitor how every system performs. They do that utilizing a spread of sensors, and when their values are out of predetermined vary, the automobile warns a driver with a corresponding warning gentle. As well as, a bother code is saved throughout the management module. All automobiles from 1996 onwards have the OBD2 system built-in into their construction. Nevertheless, accessing these bother codes is just potential with a scan software, which hooks as much as the OBD2 port.

Through the years, we’ve been utilizing nearly each OBD2 scanner model that exists to diagnose automobile issues. Every part from a budget ELM327 adapter, FIXD sensor, Autel, SnapOn, TopDon, and even dealer-level scanners comparable to MB Star. We shortly realized that selecting the most effective OBD2 scan software could be complicated even for auto mechanics and automobile house owners in search of an excellent DIY scanner.

After testing too many OBD2 scanners, we have been pissed off with at the least one in all these points:

  1. Restricted Management Unit Protection – The scanner can solely diagnose engine, airbag, transmission, or ABS however not different techniques.
  2. Solely One Car Model – Helps all system diagnostics for one make and mannequin. If it’s essential to diagnose different automobile manufacturers, you could pay extra.
  3. No Bidirectional Assist – The scanner doesn’t let you take a look at parts or sensors. For instance, if the automobile is supplied with air suspension, you can’t activate the compressor with the scanner to carry out testing.
  4. Yearly Replace Charges – The scanner requires a yearly subscription, or you could pay to replace.
  5. Velocity – The scanner is simply too gradual to scan automobiles and browse and clear codes.
  6. No Support – No tutorials on tips on how to use the scanner. Lack of gradual response from the assist workforce.
  7. Worth – As a result of many customers are unfamiliar with scanners and what they will do, we discovered that scanners with restricted performance have been typically overpriced.

Autos immediately want numerous consideration and good OBD2 scanners that may diagnose numerous management models. The test engine gentle codes are saved within the Engine Management Unit (ECU), which is just one of over twenty management you might be discovered in your automobile. For this reason a superb diagnostic software must do extra than simply learn and clear codes that set off the warning gentle. Subsequently, we determined to focus this text on diagnostic scan instruments that may diagnose all of the techniques in your automobile and others that provide the most effective worth for the cash.

Greatest OBD-II scanner – our picks

1. YOUCANIC Full System Scanner


The YOUCANIC scanner permits automobile house owners and automotive technicians to learn diagnostic bother codes for any management unit discovered on the automobile. As well as, it can allow the automobile proprietor to take automobile upkeep and troubleshooting into their very own palms. Not solely are you able to learn and clear codes from any management unit on any automobile make, however it’s also possible to view reside information. This scanner gives bidirectional assist that different scanners present on diagnostic scanner fashions once you spend over $1000. Bidirectional assist lets you use activate solenoids or pumps to diagnose an issue, identical to a supplier tech can.

The YOUCANIC scanner plugs in on to the diagnostic OBD2 port below the motive force’s dashboard. The scanner is hard-wired as an alternative of utilizing a Bluetooth dongle. A rugged handheld scanner that matches the wants {of professional} mechanics whereas nonetheless being reasonably priced sufficient for DIYers.

2. Autel MaxiCOM MK808

Autel Maxicom OBD2 Scanner

Subsequent, we come to Autel, which is without doubt one of the most well-known names within the enterprise. Their gadgets are praised for his or her efficiency and flexibility. The newest mannequin within the MaxiCom vary, codenamed MK808TS, doesn’t fall quick. It provides nearly any characteristic knowledgeable or DIY mechanic may have. This contains entry to all management modules, live-data monitoring, and bidirectional testing. Moreover, there are additionally issues like service reset and sensor programming.

With a 7-inch touchscreen show, this scanner is smaller than different comparable gadgets from Autel’s vary. However this doesn’t must be a disadvantage, because it makes it much less cumbersome to make use of. The pop-up stand on the again provides to the practicality, permitting the gadget to be mounted on the dashboard. The producer is especially pleased with the scanner’s TPMS characteristic, which is identical as of their standard TS601 TMPS software.

There are some drawbacks, such because the picture high quality, which can be a bit low for some. As well as, the IMMO operate, which resets the Anti-Theft system or relearns the keys, doesn’t work properly with some European automobiles. And over $700 is a little more costly than a YOUCANIC scanner.

3. LAUNCH X431 V Professional


Like Autel, Launch is a giant title in diagnostic gear. We’ve included their X431 V Professional on this choice, as many consultants favor it. That is the biggest gadget on the checklist, with a 10-inch touch-sensitive show that reveals a picture in high-definition. It additionally has a pair of cameras, front and back, identical to most tablets do. Predictably, this scan software provides you entry to all automobile modules and is bidirectional, like the opposite two.

However right here’s the X431 V Professional’s celebration piece – this scan software can calibrate ADAS on most makes and fashions. This may be useful, as these semi-self-driving techniques have gotten extra frequent in fashionable automobiles.

The draw back of this diagnostic gadget is its value, which is roughly $900. This makes it nearly twice as costly because the Youcanic scanner. For the additional cash, all you get is ADAS assist and a crisp show.

Varieties of OBD2 scan instruments for residence mechanics

There may be a variety of automotive diagnostic instruments available on the market, every providing completely different capabilities, and options. But additionally, there is likely to be a noticeable value distinction between seemingly comparable gadgets. This will likely create confusion when automobile house owners attempt to resolve which scan software is greatest suited to their wants. So, to assist out with this, we are going to go over three predominant kinds of automobile scanners.

OBD2 reader

It is a fundamental gadget that solely provides entry to drivetrain codes. With it, you may see what diagnostic code has triggered the test engine warning gentle and erase it. As well as, a lot of them will let you monitor the reside information. However anything, just like the ABS or Airbag techniques, is past their attain.

Car-specific OBD2 readers

These are extra highly effective variations of the beforehand talked about gadgets. Their predominant upside is the power to entry all automobile modules and browse test diagnostic codes. Carly OBD2 Bluetooth or BlueDriver Bluetooth adapters are a superb instance right here. On the draw back, these scanners often work with one specific model solely.

Diagnostic instruments

This kind of gear provides knowledgeable degree of perception into the automobile’s infrastructure at a degree of licensed restore retailers. Other than getting access to all modules and saved codes, they will additionally begin numerous diagnostic procedures. This bidirectional assist lets you take a look at parts and pumps to slim down the issue and keep away from misdiagnoses. Skilled diagnostic instruments will work with most makes and fashions, however some exemptions could exist.


OBD2 scanners are an absolute must-have for any automobile fanatic these days. Not solely will they offer a fast perception into what triggered a warning gentle, however they can even assist remedy it. Nevertheless, there are all kinds of gadgets available on the market, starting from these with restricted choices to very succesful however costly ones. However with YOUCANIC full system scanner, you’ll get dealer-lever diagnostic assist at an reasonably priced value. This makes it the most effective scan software throughout.


Greatest OBD2 scanner for a house mechanic in 2022?

YOUCANIC Full System Scanner is the most effective scanner you will get for the cash. It’s designed to offer the facility again to the automobile proprietor and keep away from costly dealership visits.

What OBD2 scanner does Autozone use?

Autozone makes use of numerous manufacturers of fundamental code readers. The scanners used at AutoZone will solely be capable to learn and clear engine or transmission-related OBD2 codes.

Is it price shopping for automobile scan instruments for residence automobile repairs?

Sure, certainly. OBD2 scanner will let you learn, clear, and diagnose any warning gentle. Alternatively, fundamental OBD2 scanners that hook as much as your automobile by way of Bluetooth will not be definitely worth the funding. Typically, these can solely learn and diagnose engine codes.

What sort of OBD2 scan software do I would like?

The YOUCANIC Full System Scanner is all it’s essential to diagnose any automobile, identical to any supplier can. As well as, it’s sensible and simple to make use of.

How to decide on the most effective automobile scanner to purchase?

The YOUCANIC Full System Scanner is far inexpensive than different full system scanners whereas giving the identical degree of perception right into a automobile’s reside information and different working parameters.

What are the most effective OBD-II scanners available on the market?

YOUCANIC UCAN-II Full System Scanner, which we designed after testing numerous completely different scanners. Many scanners can solely work on sure makes, whereas the YOUCANIC scanner works on all makes. Many different scanners can solely diagnose just a few techniques, comparable to engine, airbag, or abs, whereas YOUCANIC Full System Scanner can diagnose all automobile techniques.

Do OBD2 scanners work on all automobiles?

All OBD2 scanners work on 1996 and newer automobiles to learn and clear the test engine gentle. Solely good scanners such because the YOUCANIC full system scanner works on all automobiles and might diagnose any warning gentle, together with traction, airbag, transmission, local weather management, lights, and every other system. A Primary OBD2 scanner could not present any codes when there’s a downside, and there are bother codes in a management unit.

Are Bluetooth scanners any good?

Most Bluetooth OBD2 scanners have very fundamental performance. They will solely diagnose the test engine gentle and solely learn codes from the Engine Management Unit, which is just one out of 20+ management models discovered on fashionable automobiles.

Are Automotive Diagnostic Scanners Common?

Not all automobile diagnostic scanners are common. Many low cost automobile scanners can solely diagnose the test engine gentle or could solely diagnose all techniques on one automobile make or mannequin. The YOUCANIC full system scanner is really common and might diagnose all issues on all automobiles.

Are low cost OBD2 automobile scanners any good?

They’re good for diagnosing the test engine gentle and clearing test engine warning lights. Additionally, they’re good for retrieving the fault code that triggered the test engine gentle. When you’ve got different warning lights on, an affordable OBD2 scanner shouldn’t be good and gained’t present any fault codes.

What’s the most effective OBD2 scanner to make use of at residence?

One of the best OBD2 scanner to make use of at house is YOUCANIC Full System Scanner. It was designed particularly to offer automobile house owners a strong performance much like what the sellers use.

Can You Use a Scan Instrument Whereas Driving?

You should utilize a scan software whereas driving to stream reside sensor information. Nevertheless, don’t use the scanner to reset management models or energetic sensors whereas driving.

Can an OBD2 scanner harm your automobile?

Unlikely. We’ve been engaged on automobiles for over 30 years and haven’t had a single concern case the place an OBD2 scanner broken the automobile.

Do Automotive Scan Instruments Work on ALL Vehicles?

Solely good scan instruments work on name automobiles and might scan all management models. YOUCANIC Full System Scanner is designed to work on all automobiles and connect with all management modules or management models.

Do I Want a Code Reader or a Scan Instrument?

Code reader and scan software are interchangeable phrases. You want an excellent diagnostic software that may learn and clear codes out of your automobile’s techniques, not simply the engine management unit or powertrain module.


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