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What is difference between cheap code reader and high price tool ?


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Posted
19 hours ago, silveradosid said:

if you just want to read engine codes then the cheap one is fine, but if you want to do abs air bag and tranny codes then you need the more expensive one

Thanks a lot,How about the scanner tool price with read and clear ABS bag ?

Posted

Cheap code  readers quite often miss codes. I have had several cheap readers and   I have on multiple occasions found that my cheap readers compared to a tech2 would miss as many as 10 codes. Now, as for 14 and up trucks that require GM's GDS2, that's a different story. Software is the problem.  You need a laptop, MDI and the software interface. So in that case, there is not much choice but to try a cheap alternative. As long as it's your own vehicle and not a business, you don't have much to loose.

Posted
11 minutes ago, tbarn said:

Cheap code  readers quite often miss codes. I have had several cheap readers and   I have on multiple occasions found that my cheap readers compared to a tech2 would miss as many as 10 codes. Now, as for 14 and up trucks that require GM's GDS2, that's a different story. Software is the problem.  You need a laptop, MDI and the software interface. So in that case, there is not much choice but to try a cheap alternative. As long as it's your own vehicle and not a business, you don't have much to loose.

 

My MAC Tools Bluetooth scanner can read my 2016 Colorado ECM data and codes head to toe and screenshot it. 

  • 3 weeks later...
Posted
On 2018/6/8 at 9:21 PM, newdude said:

 

My MAC Tools Bluetooth scanner can read my 2016 Colorado ECM data and codes head to toe and screenshot it. 

Nice car!

Posted

I would suggest a Tech2, the tool GM used to work on these trucks but since we're posted in the older GMT400 and earlier section, the Tech2 works on cars as old as 1991 or so.  Before that you'd need a Tech1.  A Vetronix Tech2 can be had for between $300-400 depending on vendor and whether the storage case is selected or not.  Someone scored an older Bosch or OTC one the other day locally for $400; these are considered by many to be the "real" ones.

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