Climate control

[Henry A Harper III]

> If the interior temp doesn't stay constant or goes from hot to
> cold on its
> own, and stays that way even when you make input changes to the
> controller,
> is the usual suspect the dash controller or the under glove box flap door
> motor and vacuum system?

Could also be the stepper motor/feedback potentiometer that runs the mixing
flaps, but one would think there should be some sort of climate control head
error code in such a case. Have you run the Bentley climate control
diagnostics?

Henry