Hummer — Stage 1 / Stage 2 parameters database

The CHIPOK database holds 6 engines for Hummer with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 2 models. A predominantly petrol lineup.

Models2
Engines6
ECU makersDelco and Delphi
File turnaround30–60 min
or choose step by step
1
Choose a vehicle type

About Hummer chip tuning

Engines and platforms:
  • Main engines: LQ4 6.0L V8, LY6 6.0, Duramax LBZ 6.6L
  • Platforms: GMT800, GMT900
Supported ECUs:
  • Manufacturers: Delco and Delphi
  • Specific Hummer units in the database: GM E37, E40 (legacy LQ4/LBZ), Tesla-rival proprietary (Hummer EV)
  • Hummer specifics: GM E40 — H1/H2/H3 legacy; GMC Hummer EV — separate story
Available options:
Service terms:
  • Calibrations are done by hand in WinOLS5 + Ghidra for each specific control unit
  • Checksums are recalculated on the engineer's side — the file is ready to flash with a current programmer
  • File returned within 30-60 minutes during working hours
  • Free revisions based on an OBD log