If you mean something like a Consult or ODB2 function then no. Some and maybe all Zs have a plug labeled diagnostic something or other but it doesnt do anything useful.
That has nothing to do with consult or code reading, the ECU reads out codes using the LED's and diagnostic mode. You can use the romulator for tuning, or there is a newer product on the market sometime here that lets you do consult with an add-in board.
NisTune. It gives the stock ECU standalone-like features like realtime map tracing and data logging, WB input, etc. I'll post when he is selling it publicly (should be soon).
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