Firmware Release

Download the latest firmware

0.11.0, released October 29, 2026. Download the file for your version:

Install it from the gauge's WIFI page with your phone or laptop: how to update. Please select the correct version for your gauge. If an update fails to start, the gauge rolls back to the firmware it had before.

Coming next

Features we're working on for future free firmware updates.

  • Data logging: record your drive or track session to the gauge's internal memory, or to a microSD card on the Plug-in version.
  • RaceChrono connection: use PEAK Gauge together with RaceChrono Pro on your phone for your track days.
  • Dragy connection: use PEAK Gauge together with dragy dongle to display lap info.
  • More linked gauges: run three or more PEAK Gauges from one adapter, each showing its own pages.

Planned features, not promises. Priorities can change based on testing and your feedback. Have an idea? Tell us.

Release Note

What's new in each PEAK Gauge firmware release, newest first. Updates install over WiFi from the gauge's OTA page.

0.11.0 — October 29, 2026

  • Oil pressure ratio: oil pressure per 1000 rpm, with its own warning level
  • Toyota GR Supra: faster updates, and the gauge lets go of the car when you switch off, so locking it no longer sets off the alarm
  • Bug fixes and improvements

0.10.0 — October 24, 2026

  • More reliable trouble code reading and clearing
  • Toyota GR Supra: tire pressures and temperatures, oil pressure, transmission temperature, boost, fuel pressure, steering angle, brake pressure, wheel speeds and gear; Active Sound Design on and off; and the screen dims with your headlights
  • 2022+ Subaru BRZ and Toyota GR86: the full GJP IO Box is now fully supported from the OBD-II port, with oil pressure, ethanol content, fuel temperature, fuel pressure and coolant pressure
  • Low oil pressure warning, and low-pressure warnings on your own custom gauges
  • Export and import custom profiles in your phone's browser
  • Bug fixes and improvements

0.9.0 — October 18, 2026

  • Optimized for the OBDLink CX adapter
  • Bug fixes and improvements

0.8.0 — October 16, 2026

  • Oil pressure from an Ansix or GJP oil pressure kit on the 2022+ Subaru BRZ and Toyota GR86
  • Bug fixes and improvements

0.7.0 — October 9, 2026

  • Custom vehicle profiles: build your own gauges from your car's data, in your phone's browser (custom CAN channels in beta)
  • 2016–2023 Mazda MX-5: steering angle and brake position, and the screen dims with your headlights
  • Tire pressures and temperatures on 2013–2020 Subaru BRZ, Toyota 86 and Scion FR-S, and steering angle on 2024+ Mazda MX-5
  • Bug fixes and improvements

0.6.0 — October 7, 2026

  • Low power mode: the Battery version stretches its last 20% of charge
  • Fuel flow reading, and fuel economy on more cars, accurate while coasting
  • Alerts now start off; turn them on for the gauges you want
  • Bug fixes and improvements

0.5.0 — October 1, 2026

  • Much faster gauges, especially with several readings on one page
  • Highest and lowest readings on more gauges, with a line along the dial
  • Warning colours on more gauges, and dials that swing both ways for steering
  • A clearer Track page with bigger numbers
  • Bug fixes and improvements

0.4.0 — September 25, 2026

  • New Track page: tire pressures and temperatures at a glance
  • Gauges now show peak readings, and when your engine is still cold
  • More live data from the 2022+ Subaru BRZ and Toyota GR86
  • Bug fixes and improvements

0.3.0 — September 24, 2026

  • New Battery version, with a built-in battery
  • 2022+ Subaru BRZ and Toyota GR86: turn off the fake engine sound, and get more live data with a DauntlessOBD adapter
  • Gauge Link: run two gauges from one adapter
  • Trouble codes now say what they mean
  • An alert beep when a gauge goes into the red
  • Bug fixes and improvements

0.2.0 — September 17, 2026

  • Read and clear trouble codes
  • Recognises your car from its VIN
  • Warning and alert colours on your gauges
  • Many more readings to choose from
  • Bug fixes and improvements

0.1.0 — September 5, 2026

  • Live gauges from a Bluetooth OBD adapter, on a page you set up yourself
  • Oil temperature, including on the Subaru BRZ
  • Turns itself off when you're done