Change log
- v1.0 — 2025-06-09
• Added Stage 2 and Stage 2 SB (Sport-button) maps
• Vmax off; torque & boost ceilings raised
• Over-run crackle enabled in SB variant
• CVN раtсh and checksum correction implemented
Release notes
- v1.0 — 2025-06-09
• Packaged for Astra-J OPC owners seeking switchable road/track calibrations
• Compatible with stock internals and K04 turbo; ensure clutch health before flashing
• Install via CMD Flash, KESS V2 or any Delco5-capable bench tool
• Verify ECU 12656378 / software 12656377 before programming