All codes
Service call
SC854
Bluetooth / optional I/F
BController / HDD
Level B — stop, power-cycle may clear
First check
Optional wireless I/F. Reseat or disable.
What it means
Bluetooth / optional I/F. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Optional wireless I/F. Reseat or disable.
On-site steps
Parts to have on the truck
- Optional I/F
Related codes
Confirm the subcode and part number in the FSM for this serial. Raicoh is a field companion, not a replacement for the book.