JCB — Stage 1 / Stage 2 parameters database

The CHIPOK database holds 14 engines for JCB with reverse-engineered ECUs and Stage 1 / Stage 2 target parameters. We cover 1 model. Diesel engines only.

Models1
Engines14
ECU makersBosch / Continental / Denso / Siemens
File turnaround30–60 min
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1
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About JCB chip tuning

Engines and platforms:
  • Main engines: JCB Dieselmax 4.4/4.8/7.2
  • Platforms: Loadall, Fastrac, Backhoe
Supported ECUs:
  • Manufacturers: Bosch / Continental / Denso / Siemens
  • Specific JCB units in the database: Delphi DCM3.7, DCM6.2, Bosch EDC17CV41, EDC17CV44, Cummins CM2350 (heavy)
  • JCB specifics: Delphi DCM3.7 / Bosch EDC17 — JCB-proprietary engines + Cummins on heavy machinery
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