Variant 1
Applies to: BVDR1 (TCO)
What does Scania BVDR fault code 36977 mean?
Fault when writing to USB memory stick.
What causes Scania DTC 36977?
- The USB memory stick is write-protected. - Fault in USB memory stick. - Fault on tachograph.
How does the system react?
The tachograph display shows a warning and the code 16 for this fault code.
How to fix Scania BVDR fault code 36977?
- Check that write protection for the USB memory stick is deactivated.
- Renew the USB memory stick.
- Renew the tachograph if the fault remains.
Variant 2
Applies to: BVDR2 (TCO)
Detection
Error when writing to USB memory stick.
Possible cause
- The USB memory stick is write protected. - The USB memory stick is full. - Fault in USB memory stick. - Fault on tachograph.
System reaction
The tachograph display shows a warning and code 16 for this fault code.
How to fix
- Check that write protection for the USB memory stick is deactivated.
- Renew the USB memory stick.
- Renew the tachograph if the fault persists.
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.