Floor fan actuator blocked motor or short circuit
â–¶ How to fix
Check the cable harness and obstructions in the fan, if no fault found replace fan control unit.
What you'll see
Floor fan is not controllable
System reaction
Floor fan is not controllable
Diagnostic depth
Detection
The climate control system (E138) has detected that the floor fan actuator (M66) reports an internal error.
Possible cause
Motor is blocked or short circuit