All codes
Service call
SC457
ITB cleaning unit position
BTransfer / HV
Level B — stop, power-cycle may clear
First check
After an ITB pull — cleaning blade unit not latched.
What it means
Transfer-belt cleaning unit is not in the expected position.
Likely causes
- Unlatched cleaning unit
- Position sensor
- Solenoid
On-site steps
Parts to have on the truck
- ITB cleaning unit
- Position sensor
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.