All codesService call
SC301
Charge leak (older)
BPCU / developer
Level B — stop, power-cycle may clear
First check
Charge path leak. Inspect PCU/charge roller and HV contact.
What it means
Charge leak (older). Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Charge path leak. Inspect PCU/charge roller and HV contact.
On-site steps
Parts to have on the truck
Confirm the subcode and part number in the FSM for this serial. Raicoh is a field companion, not a replacement for the book.