Variant 1: Coordinator.
Applies to: COO10 (COO)
What does Scania COO fault code 705 mean?
Internal fault, the coordinator has lost the parameter setting.
What causes Scania DTC 705?
The 30 voltage to the coordinator was interrupted during spare part programming.
How does the system react?
Yellow warning indication of a coordinator fault is displayed.
What are the symptoms?
The engine cannot be started.
How to fix Scania COO fault code 705?
- Check fault codes in the coordinator (COO).
- Spare part program the BMS control unit.
- Spare parts program the coordinator.
Variant 2: Coordinator.
Applies to: COO11 (COO)
Detection
Internal fault, the coordinator has lost the parameter setting.
Possible cause
The 30 voltage to the coordinator was interrupted during spare part programming.
Symptoms
The engine cannot be started.
How to fix
- Check fault codes in the coordinator (COO).
- Spare part program the BMS control unit.
- Spare part program the coordinator.
Variant 3
Applies to: COO8 (COO)
Detection
Internal fault, the coordinator has lost the parameter setting.
Possible cause
The 30 voltage to the coordinator was interrupted during spare part programming.
Symptoms
The engine cannot be started.
How to fix
- Check fault codes in the coordinator (COO).
- Spare part program the BMS control unit.
- Spare parts program the coordinator.
Variant 4
Applies to: COO9 (COO)
Detection
Internal fault, the coordinator has lost the parameter setting.
Possible cause
The voltage (30) has been interrupted during spare parts programming.
Symptoms
The engine cannot be started.
How to fix
Spare parts program the coordinator.
Variant 5
Applies to: COO7
Detection
Internal fault in coordinator.
System reaction
Yellow warning lights up in the instrument cluster. The engine cannot be started.
How to fix
Spare parts program the coordinator.
Variant 6
Applies to: COO8
Detection
Internal fault, the coordinator has lost the parameter setting.
Possible cause
The voltage (30) has been interrupted during spare parts programming.
System reaction
Yellow warning lights up in the instrument cluster. The engine cannot be started.
How to fix
Spare parts program the coordinator.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.