All codes
Service call
SC864
TPM / security chip error
AController / HDD
Level A — stop, SP reset after repair
First check
Security chip. Do not initialize lightly — you can brick HDD encryption. Follow the security bulletin.
What it means
TPM / security chip error. Confirm the exact subcode against the FSM for this serial — meaning can shift by generation.
Likely causes
- Security chip. Do not initialize lightly — you can brick HDD encryption. Follow the security bulletin.
On-site steps
Parts to have on the truck
- Controller
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.