Applies to: MCC3
What does Scania MCC fault code 40994 mean?
Fault in the signal to the fan motor.
What causes Scania DTC 40994?
The fan motor cable harness is short-circuited to ground.
What are the symptoms?
The cab fan will be inoperable.
How to fix Scania MCC fault code 40994?
- Check the cable harness between the control unit and fan motor.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.