All codes
Service call
SC150
Scanner ROM mismatch
BScanner / optics
Level B — stop, power-cycle may clear
First check
Scanner firmware does not match the engine package. Flash the scanner/SBU set.
What it means
Scanner ROM mismatch. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Scanner firmware does not match the engine package. Flash the scanner/SBU set.
On-site steps
Parts to have on the truck
- Firmware SD
- SBU
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.