Variant 1
Applies to: SC3 (TCO)
What does Scania SC fault code 11648 mean?
Fault in communication with SRC module.
What causes Scania DTC 11648?
- Fault in the CAN communication. - Equipment manipulation.
How does the system react?
The event is stored in the tachograph and a warning is displayed in the instrument cluster.
How to fix Scania SC fault code 11648?
- Check the connections and CAN communication to the SRC module.
- Check that the equipment has not been manipulated.
Variant 2
Applies to: SC5 (TCO)
Detection
Fault in communication with SRC module.
Possible cause
- Fault in the CAN communication. - Equipment manipulation.
System reaction
- The event is logged in the tachograph and on the digital tachograph card, and appears as event 0B on the printout. - A warning is displayed in the instrument cluster. - The tachograph automatically adjusts internal UTC time by 1 second/day. Depending on its size, the deviation may take many days to correct; there is nothing wrong with the tachograph.
How to fix
- Check the ECU and CAN communication to the SRC module.
- Check that the equipment has not been manipulated.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.