Top 10 OTC Tools Automotive Diagnostic Tools
for October 2022

Whether your car is in need of repairs or maintenance, having the right tools for the job can make all the difference. Having the right OTC tools can help you save money and time, as most tools are reusable.

In the Different Guide , we test tools of all types, from automotive diagnostic tools to tape measures to screwdrivers. We evaluate each tool on performance, ease of use, and price. Performance includes testing the tool's accuracy, durability, and ease of use, including how easy it is to set up and use. Ease of use includes how easy it is to set up and use, as well as how easy it is to clean. We also factor in price, since you want your tools to be affordable, but you also want them to perform well.

Here are the best automotive diagnostic tools you can buy right now:

Different Guide editors select recommendations independently. Purchases made through our links may earn us commissions.

1
9.8
SCORE
OBDScar OS601 OBD2 Scanner Universal Automotive Engine Fault Code Reader EOBD OBDII CAN Diagnostic Scan Tool

OBDScar OS601 OBD2 Scanner Universal Automotive Engine Fault Code Reader EOBD OBDII CAN Diagnostic Scan Tool

by OBDScar
What We like

It reads the codes or faults and clearly displays the message or error code, assisting in diagnosing the problem. Very easy to use, no installation required, just plug into the vehicle's OBDII port and start reading.

2
9.5
SCORE
LAUNCH CRP123 OBD2 Scanner Automotive Diagnostic Scan Tool ENG/TCM/ABS/SRS System Code Reader with EL-50448 TPMS Activation Relearn Tool

LAUNCH CRP123 OBD2 Scanner Automotive Diagnostic Scan Tool ENG/TCM/ABS/SRS System Code Reader with EL-50448 TPMS Activation Relearn Tool

by Launch
What We like

A capable and comprehensive scan tool that offers all standard OBDII testing capabilities. With 2.5GB of on-board storage, you can store more readings and vehicle information.

3
9.4
SCORE
OTC 3893 Encore Professional WI-FI Enabled Diagnostic Tool Kit

OTC 3893 Encore Professional WI-FI Enabled Diagnostic Tool Kit

by OTC
What We like

This diagnostic tool is solidly built and easy to use, with a ton of functionality. The Encore's Wi-Fi enabled app gives you access to an online database of repair procedures, and there's a handy dashboard for monitoring live stats like battery and signal strength.

4
9.2
SCORE
LAUNCH OBD2 Scanner, 2021 Newest CR529 Enhanced Universal Car Code Reader Auto Diagnostic Scan Tool with Full OBDII Functions DTC Lookup Check Engine Light for All OBDII Car After 1996

LAUNCH OBD2 Scanner

by LAUNCH
What We like

Use this tool to avoid blind maintenance. It reads codes, retrieves freeze-frame data, and performs live data logging, all in an eye-pleasing graphical format. It saves time and money with advanced features, including the ability to record and graph live data.

5
8.8
SCORE
LAUNCH Scanner CRP123X Elite Code Reader, 2021 Newest OBD2 Car Diagnostic Scanner for ABS SRS Transmission Engine Scan Tool with Battery Test,Android 7.0,5.0’’Touchscreen,AutoVIN, Lifetime Free Update

LAUNCH Scanner CRP123X Elite Code Reader

by LAUNCH
What We like

The LAUNCH CRP123X Bluetooth OBD2 scanner is the cheapest option we found for basic diagnostic functions. It lacks a lot of advanced capabilities that more complicated scanners offer.

6
8.7
SCORE
EDIAG Car OBD2 Scanner YA-101 Car Code Reader for Check Engine Light,O2 Sensor,EVAP Test, On-Board Monitor Test,Smog Check,Code Reader OBD2 Diagnostic Scan Tool for All OBD2 Protocol Cars Since 1996

EDIAG Car OBD2 Scanner YA-101 Car Code Reader for Check Engine Light

by EDIAG
What We like

The EDIAG Car OBD2 Scanner cost less than $30, but offered all the features of more expensive OBD2 scanners. It has the most options among OBD2 scanners and works on nearly all vehicles.

7
8.4
SCORE
OTC Tools 3209 Trilingual OBD II/EOBD & CAN Scan Tool with ABS/Airbag Codes and Definitions

OTC Tools 3209 Trilingual OBD II/EOBD & CAN Scan Tool with ABS/Airbag Codes and Definitions

by OTC Tools
What We like

This reliable and affordable OBD 2 scan tool does everything you could expect from it to. It reads and clears error codes, monitors battery and charging system, reads and clears ABS problems, and records live data streams—all right out of the package.

8
8.2
SCORE
OTC (3415) CAN Test Box - Breakout Box and Protocol Detector

OTC (3415) CAN Test Box

by OTC
What We like

Connects to your scan tool or multimeter for detailed signal analysis.

9
8.2
SCORE
Autel Scanner MaxiCOM MK808, 2021 Newest OBD2 Car Diagnostic Scanner, Equipped with 25+ Maintenance Functions, All System Diagnosis, IMMO/EPB/BMS/SAS/TPMS/AutoVIN/ABS Bleeding (Original)

Autel Scanner MaxiCOM MK808

by Autel
What We like

We're so glad we found an OBD2 scan tool that provided the hardware scan functions we need, like YELP and RESET, without breaking the bank. The MaxiCOM MK808 is as well-built as any scanner we've seen, bringing top-notch technology to a cost under $600.

10
8.2
SCORE
BOSCH 3945 ADS 525x Professional Diagnostic Scan Tool with Wireless VCI - Extreme Flexibility | Extreme Speed | Extreme Access | Most Advanced OE Level Vehicle Coverage Available

BOSCH 3945 ADS 525x Professional Diagnostic Scan Tool with Wireless VCI - Extreme Flexibility

by Bosch
What We like

The Car Tech Multi Scanner has the most user-friendly, advanced vehicle coverage for our testers, and the best wireless VCI we tested. A laptop or desktop is needed to pair it with, but the scan speed, wireless freedom, and car coverage make it our favorite.

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