GAC — Stage 1 / Stage 2 parameters database
The CHIPOK database holds 2 engines for GAC with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 1 model. A predominantly petrol lineup.
Models1
Engines2
ECU makersBosch / Continental / Denso / Siemens
File turnaround30–60 min
or choose step by step
1
Choose a vehicle type
2
Choose a make
3
Choose a model
4
Generation / years
5
Engine
GAC models in the database (1)
About GAC chip tuning
Engines and platforms:
- Main engines: 1.5T 4A15J1 (Trumpchi GS3/GS4/GA4), 2.0T 4B20M1 (Trumpchi GS8/GS7), 1.5L NA, 2.0L NA, GAC-Toyota Hybrid (Toyota-shared 2.5L on Highlander twin)
- Platforms: GS (SUV), GA (sedan), GN (mini-van), Aion (EV)
Supported ECUs:
- Manufacturers: Bosch / Continental / Denso / Siemens
- Specific GAC units in the database: Continental SIM2K-241, SIM2K-251, SIM2K-260, SIM2K-261, Bosch ME17.8.10, ME17.9.21, MED17.X, GAC GMC2 (Aion EV controller)
- GAC specifics: Continental SIM2K / Bosch ME17 — Trumpchi GS8 2.0T main candidate for Stage 1
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