I mentioned this on another post.
I use the touchless drive through car wash. I can drive hard for a week and not throw a code, But if I check after doing the carwash I have a 0216.

I just did a before and after car wash code check and yes, the carwash sends the deathcode.

Any suggestions as to which connections to start checking?

Does anyone know what ground/negative connection the dealer is suppose to use for the in-tank pump replacement?

Anyone want to take a stab at this one?
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