DTC P0422 Mercedes-Benz
Recirculation Door Travel Range Too Small
Recirculation Door Travel Range Too Small
Description
The HVAC Module uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set.
Video Guide
Diagnostic Info
- DTC Code: P0422
- Brand: Mercedes-Benz