RENNtech Australia
info@renntechaustralia.com.au045 99 48 775

RENNtech HHT

RENNtech HHT hand-held tuner OBD-II connectorRENNtech HHT hand-held tuner stock and tuned indicators

The Hand-Held Tuner is RENNtech's dealer-grade flashing device, packaged so owners can install a calibration at home. Plug into the OBD-II port, follow the prompts, and your ECU is loaded with the same file our engineers validate on the dyno.

Switching back to the factory calibration takes minutes, which makes the HHT ideal for servicing, resale or track weekends.

  • Genuine RENNtech ECU calibrations
  • Install at home in under 30 minutes
  • One-click return to stock
  • Supports engine and transmission files
  • Vehicle-locked and fully supported