3 Greatest OBD2 scanners for residence mechanics

The OBD is brief for On-Board Analysis, a diagnostic protocol that retains observe of car operation. When the automotive is operating, its management modules monitor how every system performs. They do that utilizing a variety of sensors, and when their values are out of predetermined vary, the car warns a driver with a corresponding warning mild. As well as, a hassle code is saved inside the management module. All automobiles from 1996 onwards have the OBD2 system built-in into their construction. Nevertheless, accessing these hassle codes is just attainable with a scan software, which hooks as much as the OBD2 port.

Over time, we’ve been utilizing virtually each OBD2 scanner model that exists to diagnose car issues. Every part from a budget ELM327 adapter, FIXD sensor, Autel, SnapOn, TopDon, and even dealer-level scanners equivalent to MB Star. We rapidly realized that selecting the perfect OBD2 scan software could be complicated even for auto mechanics and car homeowners on the lookout for an excellent DIY scanner.

After testing too many OBD2 scanners, we had been annoyed with a minimum of one among 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 you might want to diagnose different car manufacturers, you need to pay extra.
  3. No Bidirectional Help – The scanner doesn’t permit you to check elements or sensors. For instance, if the car is provided with air suspension, you cannot activate the compressor with the scanner to carry out testing.
  4. Yearly Replace Charges – The scanner requires a yearly subscription, or you need to pay to replace.
  5. Velocity – The scanner is simply too sluggish to scan automobiles and skim and clear codes.
  6. No Support – No tutorials on how one can use the scanner. Lack of sluggish 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 had been typically overpriced.

Automobiles as we speak want a variety of consideration and good OBD2 scanners that may diagnose varied management models. The verify engine mild codes are saved within the Engine Management Unit (ECU), which is just one of over twenty management you might be discovered in your car. That is why a superb diagnostic software must do extra than simply learn and clear codes that set off the warning mild. Due to this fact, we determined to focus this text on diagnostic scan instruments that may diagnose all of the techniques in your car and others that supply the perfect worth for the cash.

Greatest OBD-II scanner – our picks

1. YOUCANIC Full System Scanner


The YOUCANIC scanner permits automotive homeowners and automotive technicians to learn diagnostic hassle codes for any management unit discovered on the car. As well as, it’ll allow the car proprietor to take car upkeep and troubleshooting into their very own arms. Not solely are you able to learn and clear codes from any management unit on any car make, however you too can view dwell knowledge. This scanner gives bidirectional assist that different scanners present on diagnostic scanner fashions whenever you spend over $1000. Bidirectional assist means that you can 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 beneath 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 inexpensive sufficient for DIYers.

2. Autel MaxiCOM MK808

Autel Maxicom OBD2 Scanner

Subsequent, we come to Autel, which is likely one of the most well-known names within the enterprise. Their units are praised for his or her efficiency and flexibility. The most recent mannequin within the MaxiCom vary, codenamed MK808TS, doesn’t fall quick. It provides virtually any function knowledgeable or DIY mechanic might 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 units from Autel’s vary. However this doesn’t need to 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 function, which is similar as of their widespread 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 perform, 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 an enormous identify in diagnostic tools. We have now included their X431 V Professional on this choice, as many specialists favor it. That is the most important gadget on the record, with a 10-inch touch-sensitive show that exhibits 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 car modules and is bidirectional, like the opposite two.

However right here’s the X431 V Professional’s occasion 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 worth, which is roughly $900. This makes it virtually twice as costly because the Youcanic scanner. For the additional cash, all you get is ADAS assist and a crisp show.

Sorts of OBD2 scan instruments for residence mechanics

There may be a variety of automotive diagnostic instruments available on the market, every providing totally different capabilities, and options. But in addition, there is perhaps a noticeable worth distinction between seemingly comparable units. This may increasingly create confusion when automotive homeowners attempt to resolve which scan software is greatest suited to their wants. So, to assist out with this, we’ll go over three major varieties of automotive scanners.

OBD2 reader

It is a primary gadget that solely provides entry to drivetrain codes. With it, you’ll be able to see what diagnostic code has triggered the verify engine warning mild and erase it. As well as, a lot of them will permit you to monitor the dwell knowledge. However the rest, 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 units. Their major upside is the flexibility to entry all car modules and skim verify 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

One of these tools provides knowledgeable degree of perception into the automotive’s infrastructure at a degree of approved restore retailers. Other than accessing all modules and saved codes, they will additionally begin varied diagnostic procedures. This bidirectional assist means that you can check elements 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 might exist.


OBD2 scanners are an absolute must-have for any automotive fanatic these days. Not solely will they provide a fast perception into what triggered a warning mild, however they may even assist resolve it. Nevertheless, there are all kinds of units 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 inexpensive worth. This makes it the perfect scan software throughout.


Greatest OBD2 scanner for a house mechanic in 2022?

YOUCANIC Full System Scanner is the perfect scanner you may get for the cash. It’s designed to present the ability again to the car proprietor and keep away from costly dealership visits.

What OBD2 scanner does Autozone use?

Autozone makes use of varied manufacturers of primary code readers. The scanners used at AutoZone will solely have the ability to learn and clear engine or transmission-related OBD2 codes.

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

Sure, for sure. A superb OBD2 scanner will permit you to learn, clear, and diagnose any warning mild. Then again, primary OBD2 scanners that hook as much as your automotive through Bluetooth is probably not well worth the funding. Usually, these can solely learn and diagnose engine codes.

What sort of OBD2 scan software do I want?

The YOUCANIC Full System Scanner is all you might want to diagnose any car, identical to any supplier can. As well as, it’s sensible and straightforward to make use of.

How to decide on the perfect automotive scanner to purchase?

The YOUCANIC Full System Scanner is far cheaper than different full system scanners whereas giving the identical degree of perception right into a car’s dwell knowledge and different operating parameters.

What are the perfect OBD-II scanners available on the market?

YOUCANIC UCAN-II Full System Scanner, which we designed after testing a variety of totally different scanners. Many scanners can solely work on sure makes, whereas the YOUCANIC scanner works on all makes. Many different scanners can solely diagnose a number of techniques, equivalent to engine, airbag, or abs, whereas YOUCANIC Full System Scanner can diagnose all car techniques.

Do OBD2 scanners work on all automobiles?

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

Are Bluetooth scanners any good?

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

Are Automobile Diagnostic Scanners Common?

Not all automotive diagnostic scanners are common. Many low cost automotive scanners can solely diagnose the verify engine mild or might solely diagnose all techniques on one automotive make or mannequin. The YOUCANIC full system scanner is actually common and might diagnose all issues on all automobiles.

Are low cost OBD2 automotive scanners any good?

They’re good for diagnosing the verify engine mild and clearing verify engine warning lights. Additionally, they’re good for retrieving the fault code that triggered the verify engine mild. You probably have different warning lights on, an inexpensive OBD2 scanner will not be good and gained’t present any fault codes.

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

The most effective OBD2 scanner to make use of at house is YOUCANIC Full System Scanner. It was designed particularly to present automotive homeowners a strong performance much like what the sellers use.

Can You Use a Scan Software Whereas Driving?

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

Can an OBD2 scanner injury your automotive?

Unlikely. We have now been engaged on automobiles for over 30 years and haven’t had a single problem case the place an OBD2 scanner broken the automotive.

Do Automotive Scan Instruments Work on ALL Automobiles?

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 Software?

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