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API and option codes -- how accurate?

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I tried the API by writing a script following the example at timdorr/tesla-api and got back the option codes for my Model 3. A lot of the codes have unknown values right now. But a couple that are known, according to that web site, are DV2W and DV4W, which mean Model 3 Rear Wheel Drive and Model 3 All Wheel Drive, respectively.

The odd thing is mine gives the "wrong" code -- it gives DV2W when I am pretty sure (and my bank account agrees) that I got the AWD. I put "wrong" in quotes because I don't know for a fact that the website has the right values mapped for the codes, but still it does make some degree of sense that 2W would be for 2 wheel drive and 4W would be for all wheel drive.

Are these codes known to be inaccurate very often?

Depending on what the code is used for, such as a reference point for service technicians deciding how to do maintenance, or a reference point for auto pilot or future self driving features, it seems like a wrong code here could be concerning, because it could lead to mistaken maintenance practices, or dangerous driving. Anyone know more about this?