Autotuner Update Isuzu Holden 4JJ1 ECU via OBD 100%

By | April 28, 2026

Isuzu & Holden Delphi 4J (4JJ1 Engine): Live via 100% OBD (Virtual Read)!
The legendary 3.0 TD 4JJ1 engine is now on your AutoTuner Tool! Easily tune the most robust 4x4s and pick-ups on the market.

Coverage:

  • Isuzu D-Max / Vcross
  • Isuzu MU-X
  • Holden Rodeo

Method: 100% OBD (Virtual Read). No ECU removal: download the original file in one click from our server and flash this lightning-fast solution right through the diagnostic port! 🔌
Unleash the towing power and torque of these ultimate workhorses!

Key Features:
Type: Engine Control Unit (ECU)
Mode: OBD VR
Readout: Calibration
MCU: MPC561
Write time: 2min
Checksums correction

Compatibility List*:
Holden Model: Rodeo (2002)
Holden Engine: 3.0 TD (4JJ1)
Isuzu Models: D-Max / Vcross (2006) / MU-X (2013)
Isuzu Engine: 3.0 TD (4JJ1)
*The list may evolve over time.