I have a 2012 Cascadia. When i shut the truck off should the TK APU start on its own.I have tried to set the selector to auto and it wont let me do that. I can only go from Heat, and A/C but not to auto. this is my first apu and i know nothing about it.
Had issues last year with the fuel pump failing on my APU. I replaced it with a Mr Gasket 12D from Parts City locally.
In February this year, it failed again, but this time in Colorado so I replaced it with another one from O'Reilly's.
And in July it failed again. ????WTH????
Last week I...