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Best OBD2 scan tool for Chevy Cadillac Buick GM Vehicles

Are you looking for a good OBD2 scanner that will allow you read, clear and troubleshoot fault codes? If you are GM vehicle owner and are looking for an OBD-II diagnostic scanner that will allow you to retrieve the DTC fault codes from the ABS, SRS/Airbag, Transmission, then this article is for you.

For those looking to read and reset Check Engine Light, all you need is a basic OBD-II Scanner. The scanners in this list are more advanced and range in price between $150-$800 USD. This article is focused on scanners that go further and can troubleshoot at least the following systems: ABS, SRS/Airbag, Engine, Transmission. 

The diagnostic scanners listed here will work on the following GM vehicles:

  • Chevrolet
  • Cadillac
  • Hummer
  • Buick
  • Pontiac
  • GMC

Here are some of the best scanners for troubleshooting GM cars. 

Launch Creader VII+ 

One of the most affordable scanners that allow you to read and clear codes related to engine, transmission, ABS and airbag. Not only does it work on GM vehicles but also most other makes including Domestic, European and Japanese cars. 


  • Diagnose ABS, Airbag, Engine, Transmission
  • Works on over 24 car models.¬†
  • Inexpensive
  • Easy to use
  • Can access manufacturer specific codes.¬†


  • Does not support other systems besides the four mentioned.¬†

Foxwell NT510 Diagnostic Scanner

Foxwell Best Diagnostic scanner for GM Vehicles

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The Foxwell NT510 scanner is a multi-system OBD-II scanner that works on General Motor vehicles. It can retrieve DTC fault codes from the engine control unit but also provide in-depth diagnostics. It can also perform programming, adaptation, and actuation of sensors. It scans most system on GM vehicles including SRS, ABS, Transmission, Engine. 

best scanner to reset abs srs airbag light on gm cadillac

Foxwell will come loaded with software that can diagnose GM cars, but you can also get the scanner with the software for other major car brands such as BMW, Chrysler, Fiat, Honda, Hyundai, Toyota, and VW. You can only have the software for a single manufacturer loaded on the scanner. The GM software of this OBD-II diagnostic scanner will work on: Saturn, Pontiac, Oldsmobile, Geo, Chevrolet, Cadillac, Buick, GMC Truck, Opel, Isuzu, Daewoo, HUMMER, Chevrolet Truck, GMC Truck, and Saab. The software can be upgraded via the FoxwellTech website. 


  • Show live sensors data in text and graph format.¬†
  • Actuate sensors, run system tests, program control modules.
  • Can perform coding and programming of control modules.
  • Works on GM Car, Trucks, SUV from 1996 to present.¬†
  • Can reset oil reminder and Service Lights.¬†
  • Multiple Language Support

The Foxwell NT510 is a powerful diagnostic scanner that provides in-depth troubleshooting of various systems (powertrain, body, chassis, control systems). It is one of the least expensive scanners that provides comprehensive diagnostic.  This is a great alternative to the Tech2 dealer scanner for GM vehicles. 

Innova 3150 OBD II Diagnostic Scanner

Best OBD Scanner for Gm Chevrolet Vehicles

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Innova 3150 OBD-II diagnostic scanner made our list because it is inexpensive and it can read and reset the ABS and SRS codes in the majority of the cars. It can also scan the check engine light and will work on most vehicles since 1996 not just GM. If you have other vehicles in your garage that you regularly work on, the Innova is a good alternative as it works on Toyota, Honda, Chrysler, Ford and GM Vehicles.

Disadvantage: It is not able to scan all systems but only ABS/SRS/Airbag/ECU/Engine.

Its main advantage is compatibility with multiple makes and the price. It displays a description of the fault code right on the LCD, so you know right away what the problem is. 

on screen dtc for chevrolet cadillac vehicles diagnsoe


  • Scan ABS, SRS/Airbag, Engine systems.
  • Work on GM, Ford, Chrysler cars, trucks, and SUVs.
  • Can scan¬†vehicles¬†1996 and newer via the OBD-II port.¬†
  • Languages: English, French, and Spanish

Autotel MaxiDAS DS708

Best professional OBDII diagnostic scanner for gm chrysler cadillac

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This is a professional lever diagnostic scanner that can diagnose over 50 Asian, Domestic, and European vehicles. It comes with adapters to fit GM vehicles like Chevrolet, Cadillac, Buick and GMC. The scanner is easy to use but it is meant more for professionals who want dealer level functionality in an OBD2 scanner. That's why you will see many mechanics and repair shops use the MaxiDAS to troubleshoot your vehicle. It is more expensive than the previously mentioned scanners. It provided an in-depth diagnostic and troubleshooting that can be achieved by some very expensive scanners such as the snap on Solus.  

A newer version of this scanner is available. Autotel MaxiDAS DS808
  • Complete vehicle coverage, in-depth diagnostic.¬†
  • Supports Domestic Asian and European vehicles including all GM.¬†
  • Can program immobilizers, key coding, sensor activation.¬†
  • Can perform ECU adaptation, module setup, initialization etc.¬†
  • Dealer level functionality. Perfect for auto repair shops!

What scanner does GM Dealer use? 

Dealer GM Scan Tool Chevrolet GM GMC Cadillac

The main diagnostic scanner used by GM dealers is the Tech2 handheld. The Tech 2 scanner covers GM vehicles all the way back to the early 1990s. It can diagnose GMC, Suzuki, Saturn, Isuzu, Cadillac, Hummer and Pontiac vehicles. It can troubleshoot even the new GM vehicles that use the CAN system. Since this is the OEM scanner, it provides FULL diagnostic of all system on your vehicle. 


Jerry , 2017-05-30

This article was helpful unlike the countless review posts that I saw giving general information about the obd2 scanners. I decided to go with the Innova as that is within the budget. Autel seems to be a good choice to but too much money for me at this time.

JimsAutoRepair, 2019-06-27

Innova is a good choice. Not only because of the price, (which is suitable for homeowners) but also because it is so easy to use. People who are new to fixing their own cars usually find it a good option to start with.
However, don't get me wrong, if you have been fixing cars for a few years, the added options of more expensive models also become useful.

I'm completely agree with this review,cuz, i have used GM Tech II for half an month,for me,this is the best GM Scanner Tool ,portable but stable to use and the price is decent affordable.

By YOUCANIC on Feb 1, 2019


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