Seven repeatable steps
Authenticate diagnostic link.
Identify ECU hex address.
Run vendor-specific SFD routine.
Capture offline challenge (text or QR image).
Submit via sfdcode with correct generation.
Receive unlock token.
Write token and verify adaptations editable.
Decision gates
When tooling ambiguity persists, capture screenshots before disconnecting.
Escalate internally before burning prepaid credits.
Fleet audits benefit from CSV logs tying VIN → module → generation → receipt ID.
Using guest checkout efficiently
Clipboard paste suits laptops — tablets benefit from QR upload buttons.
Challenge normalization strips stray whitespace automatically.
Emails carry artefacts for accounting compliance.
Crypto lanes mirror refund posture documented beside card rails.
FAQ
- Single portal for every brand?
- Yes — select generation accurately per ECU, not per badge.
- Need dealer credentials?
- No dealer SSO — offline tokens suffice where tooling supports it.