P0543 Code

[dieselson]

I got a P0543 code, and it doesn't show up in the little book of codes I have, it skips P0543, does anyone know what P0543 is?

 

[wes06dmax]

Intake Air Heater A Circ Open

 

[dieselson]

k, thanks

 

[wes06dmax]

Your Welcome