DTC P0056 Mercedes-Benz
Rear Blower Control Request Input High
Rear Blower Control Request Input High
Description
The Rear A C Heater Control works in conjunction with the A C Heater Control to control the rear blower motor, rear temperature control and rear mode control. The Rear A C Heater Control is constantly monitored by the A C Heater Control for proper operation. If the monitored signal circuits are out of a calibrated range at DTC will set.
Cause and Solution
Rear Blower Signal Circuit Shorted To VoltageSignal Ground Circuit Shorted To VoltageSignal Ground Circuit OpenRear A C Heater ControlA C Heater Control
Video Guide
Diagnostic Info
- DTC Code: P0056
- Brand: Mercedes-Benz