Multec S (petrol)
| Era | 1996–2003 |
| File sizes | 128 KB |
| Engines | X16SZR, X14XE, Z16SE, Z14XE |
| CPU | HC12/HCS12 |
| Vehicles | Astra G, Corsa B/C, Vectra B, Zafira A |
Detection
Six-phase cascade: size + boot block + HC12 pointer table + exclusion + SW validation + GM PN validation.
Checksums: no family profile (generic sweep only).