This instruction show you guide on how to repair auxiliary heater system ATA 103 CAN communication error for Scania trucks.
Fault in CAN communication.
Fault in external cable harness, the control unit for the auxiliary heater, the control unit for the CTS or other control unit on the green CAN bus.
The auxiliary heater is working correctly.
Check the cable harness and connectors.
Check other control units on the green CAN bus using Scania diagnostics.
Clear the fault code and test run the auxiliary heater and vehicle.
For more information about Scania truck,please refer to:Scania Trouble Repair.