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Tech 2 clone or VCX nano?

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Old Jul 21, 2025 | 10:32 PM
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Default Tech 2 clone or VCX nano?

Looks like a knock-off Tech 2 runs about 400 on ebay, sans the PCMCIA card for GM (which is about 30 dollars or so).

VCX Nano is 100-150 depending on where you go, but Tech2Win requires a subscription to ACDelco which isn't cheap. Also the install looks incredibly weird/difficult.

Does anyone have experience with both/either? Thoughts on which one to go with?
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Old Jul 21, 2025 | 10:45 PM
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I bought a VCX Nano, and yeah the installation requires downloading files from a Google Drive, and clicking through some anti-virus warnings.
I installed it on an old laptop that I don't care about.
It works, but I wouldn't install it on a computer than I care about.

I'm kinda sad that the software is so sketchy, because the hardware seems good.
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Old Jul 22, 2025 | 12:42 AM
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Neither. After having one of the Tech2 clones go bad, I bought an Otofix Lite. So far it does everything my Tech2 did and works on my other vehicles.
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Old Jul 22, 2025 | 08:28 AM
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You can get a good aftermarket bidirectional scan from Autel for less than $500.00 these days.

Last edited by C5 Diag; Jul 22, 2025 at 09:31 AM.
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Old Jul 22, 2025 | 02:54 PM
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What features of those tools are the most frequently used?

It would probably not be hard to add them to PCM Hammer so everyone could use them for free, but I'd need some help figuring out what commands to send and what responses to listen for. I think I'm pretty close to having CASE relearn working, for example.
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Old Jul 22, 2025 | 03:24 PM
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Originally Posted by Vox Machina
Looks like a knock-off Tech 2 runs about 400 on ebay, sans the PCMCIA card for GM (which is about 30 dollars or so).

VCX Nano is 100-150 depending on where you go, but Tech2Win requires a subscription to ACDelco which isn't cheap. Also the install looks incredibly weird/difficult.

Does anyone have experience with both/either? Thoughts on which one to go with?
I have the vcxnano running on a old laptop. You don't need a subscription to use it unless you are trying to write to the PCM The Tech2 requires a subscription to write to the PCM as does the VCX Nano. The install is not complicated and I think it has been updated to make it easier to install and better compatibility with win10.
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Old Jul 24, 2025 | 04:48 PM
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Originally Posted by C5MSG2004Vert
I have the vcxnano running on a old laptop. You don't need a subscription to use it unless you are trying to write to the PCM The Tech2 requires a subscription to write to the PCM as does the VCX Nano. The install is not complicated and I think it has been updated to make it easier to install and better compatibility with win10.
Would a subscription be needed for writing to other modules? Or is that a thing? I'm thinking stuff along the lines of adding a telescoping column to a Z06.
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