What software works good to scan ODB2 - GM cars

[canuguzzi]

Non Guzzi content although since I going to use the Guzzidiag cables/etc if possible there is the remotely remote link.

What has worked for you best? Is it just better to go get a scan tool?

[kirb]

I picked up an ODB2 scanner from Amazon with a bluetooth link for $20. I then downloaded the Torque app for android. Not sure if they do one for Apple. Use a phablet or phone for viewing the ODB2 unit.

Read codes, view real time readings (more helpful than you would think), clear codes and CIL. Sometimes the unit gives the code description, sometimes you have to google it.

It's paid for itself many times over. It all depends on how much you intend on using it.

[ibis1]

If you just want to read fault codes, there are many very inexpensive code readers available. For a little more money you can jump up to real time data for some components and diagnose ABS brake systems, SRS(Air Bag) systems etc. These tools do a lot of things for a very reasonable price. Just one last piece of advice. You may want to look into a unit that can be updated in the future. Several manufacturers are already using Multi-Can systems. The High Speed and Medium Speed Can Buses are split up into different systems and if your scan tool is NOT designed to work or function with these systems it may actually induce faults into the system. Before you go off on me about believing everything I read on the internet, this is from personal experience as I do work in the automotive field. (Land Rover) 

[canuguzzi]

Thanks for the info. I'm just trying to read the codes. After an oil change and power steering drain refill, check engine light came in. It wasn't on before but you know how those things seem to go.

[Two Checks]

Most auto parts stores will scan for codes free of charge.

[canuguzzi]

That too, might be the way to go for just this one time.