Variant 1
Applies to: ICL3 (ICL)
What does Scania ICL fault code 1801 mean?
The control unit has been reset and this was unwanted.
What causes Scania DTC 1801?
Low voltage supply to control unit.
What are the symptoms?
Trip data and user settings may have been lost.
How to fix Scania ICL fault code 1801?
- Inform the customer that the instrument cluster is switched off for a certain period after the 15 voltage has been switched off.
- So wait a while after the 15 voltage has been switched off before the battery mastery switch is used.
Variant 2
Applies to: ICL3
Detection
The control unit has been reset and this was unwanted.
Possible cause
Low voltage supply to control unit.
System reaction
Trip data and user settings may have been lost.
How to fix
- Inform the customer that the instrument cluster is switched off for a certain period after the 15 voltage has been switched off.
- So wait a while after the 15 voltage has been switched off before the battery mastery switch is used.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.