3 Finest OBD2 scanners for house mechanics


The OBD is brief for On-Board Prognosis, a diagnostic protocol that retains observe of auto operation. When the automotive is working, 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 bother code is saved inside the management module. All automobiles from 1996 onwards have the OBD2 system built-in into their construction. Nevertheless, accessing these bother codes is simply potential with a scan instrument, which hooks as much as the OBD2 port.

Over time, we now have been utilizing nearly each OBD2 scanner model that exists to diagnose car issues. All the pieces from a budget ELM327 adapter, FIXD sensor, Autel, SnapOn, TopDon, and even dealer-level scanners similar to MB Star. We shortly realized that selecting the most effective OBD2 scan instrument may be complicated even for auto mechanics and car homeowners searching for an excellent DIY scanner.

After testing too many OBD2 scanners, we had been pissed off with at the least considered one of 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 is advisable to diagnose different car manufacturers, you could pay extra.
  3. No Bidirectional Assist – The scanner doesn’t mean you can check parts or sensors. For instance, if the car is provided 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. Pace – The scanner is simply too sluggish to scan automobiles and skim and clear codes.
  6. No Support – No tutorials on how you can use the scanner. Lack of sluggish response from the assist crew.
  7. Worth – As a result of many customers are unfamiliar with scanners and what they’ll do, we discovered that scanners with restricted performance had been usually overpriced.

Autos at present want plenty 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’re discovered in your car. This is the reason a superb diagnostic instrument 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 provide the most effective worth for the cash.

Finest OBD-II scanner – our picks

1. YOUCANIC Full System Scanner

The YOUCANIC scanner permits automotive homeowners and automotive technicians to learn diagnostic bother codes for any management unit discovered on the car. As well as, it can allow the car proprietor to take car upkeep and troubleshooting into their very own fingers. Not solely are you able to learn and clear codes from any management unit on any car make, however you can too view reside information. This scanner supplies bidirectional assist that different scanners present on diagnostic scanner fashions whenever you spend over $1000. Bidirectional assist permits you to use activate solenoids or pumps to diagnose an issue, similar to a seller 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 gadgets 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 nearly any function an expert or DIY mechanic might have. This consists of 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 should be a downside, 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 identical as of their fashionable TS601 TMPS instrument.

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 effectively 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. Now we have included their X431 V Professional on this choice, as many consultants favor it. That is the most important gadget on the record, with a 10-inch touch-sensitive show that reveals a picture in high-definition. It additionally has a pair of cameras, front and back, similar to most tablets do. Predictably, this scan instrument provides you entry to all car modules and is bidirectional, like the opposite two.

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

Kinds of OBD2 scan instruments for house mechanics

There’s a variety of automotive diagnostic instruments in the marketplace, every providing totally different capabilities, and options. But in addition, there is likely to be a noticeable value distinction between seemingly comparable gadgets. This will create confusion when automotive homeowners attempt to determine which scan instrument is finest suited to their wants. So, to assist out with this, we are going to go over three predominant kinds of automotive scanners.

OBD2 reader

It is a fundamental 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, lots of them will mean you can monitor the reside information. 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 gadgets. Their predominant upside is the power 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 explicit model solely.

Diagnostic instruments

Any such tools provides an expert stage of perception into the automotive’s infrastructure at a stage of approved restore retailers. Aside from accessing all modules and saved codes, they’ll additionally begin varied diagnostic procedures. This bidirectional assist permits you to check 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 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 can even assist resolve it. Nevertheless, there are all types of gadgets in the marketplace, 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 value. This makes it the most effective scan instrument throughout.


Finest 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 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 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 automotive scan instruments for house automotive repairs?

Sure, indubitably. A great OBD2 scanner will mean you can learn, clear, and diagnose any warning mild. However, fundamental OBD2 scanners that hook as much as your automotive through Bluetooth is probably not definitely worth the funding. Normally, these can solely learn and diagnose engine codes.

What sort of OBD2 scan instrument do I would like?

The YOUCANIC Full System Scanner is all it is advisable to diagnose any car, similar to any seller can. As well as, it’s sensible and straightforward to make use of.

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

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

What are the most effective OBD-II scanners in the marketplace?

YOUCANIC UCAN-II Full System Scanner, which we designed after testing plenty 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 just a few techniques, similar 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 some other system. A Fundamental OBD2 scanner might 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’ll 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 trendy 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 really 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 affordable OBD2 scanner just isn’t good and received’t present any fault codes.

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

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

Can You Use a Scan Device Whereas Driving?

You should use a scan instrument 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 injury your automotive?

Unlikely. Now we have 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 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 Device?

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


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