Floor fan actuator LIN error
â–¶ How to fix
Check the cable harness, 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 a fault in the LIN communication with the floor fan actuator (M66). The test is performed continuously when the supply to the LIN nodes is active.
Possible cause
There may be an internal error in the fan controller or an error in the cable harness.