All codes
Service call
SC171
Scanner DA2 abnormal
BScanner / optics
Level B — stop, power-cycle may clear
First check
Second SBU analog channel. Same as 170.
What it means
Scanner DA2 abnormal. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Second SBU analog channel. Same as 170.
On-site steps
Parts to have on the truck
- 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.