Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Diagnostic Compare Failure

When monitored: Anytime.

Set condition: The two microprocessors in the CAB do not agree on their calculation results.

Possible causes:

> Internal CAB failure
> Interference from radio transmitters (RFI/EMI transients)

NOTE: This code can only be erased with the DRB and, unlike other diagnostic trouble codes.