Here it is
https://www.servicematters.com/docs/...%202318069.pdf
And another one which has the diagnostics in it
https://www.servicematters.com/docs/...%202316566.pdf
Usually the polarity of a thermistor makes no difference but this is an appliance company so who knows if what they call a thermistor is actually a thermistor.
As a example for as long as I remember an unwritten rule is: Do not use "o" in Model Numbers, only zeros are used. Also a "Q" is not used as it can be confused with a 0.
Your actual model number is KSSo42QTX00
Looks like Kitchen Aide is making a concerted effort to confuse customers.
Next they will have 1's and I's in their numbers.