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EQ ratio Error/AEM Serial issues

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Okay guys, maybe y'all can help me out. Got a 2012 CTS-V, and I'm using HP Tuners to tune it. Recently got the AEM wideband 30-4110 and have hooked it up to my laptop via the serial output, with a USB to serial adapter with proper drivers. I can get an output in the scanner, but the EQ Err tables seem to be way off. If i copy the results in the table the car gets worse. I'm at a complete loss and can't find any help locally. Any help is greatly appreciated. Thanks in advance.

Attached Files

The most likely scenario is that the lambda value in the scanner is different to what the wideband is actually reading. The point in the graph you've highlighted shows a commanded lambda of 1.00 and a measured of 1.26 which would almost certainly result in a lean misfire. My guess is that the transform function you're using to covert the raw data into lambda is incorrect.

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