🔋 Toyota & Lexus hybrid traction battery diagnostic app

Turn your phone into a hybrid battery diagnostic tool.

Dr. Prius / Dr. Hybrid helps owners and repair shops monitor HV battery health, identify weak blocks fast, and run advanced tests with an OBD2 adapter.

Battery monitor Full battery test Life expectancy test Repair shop locator

What it does

Reads HV battery block voltages, internal resistance, temps, and more — then guides you to likely problem blocks.

Good to know

Most features are free. Test features require in-app purchase.

Need an OBD2 adapter?

This app requires a Bluetooth OBD plug-in interface. See What OBD2 adapter to buy.

About Dr. Prius App

Dr. Prius / Dr. Hybrid is built to help professional Toyota/Lexus hybrid repair shops and owners examine and monitor high-voltage battery health. It turns your mobile device into a diagnostic tool that’s typically expensive and difficult to use.

Dr. Prius provides access to relevant battery information so you can quickly identify problems with a simple touch. Test your battery and generate proof of health for peace of mind.

Supported vehicle models

2020+ Prius (except 4WD version)
2020+ Highlander Hybrid
2017–2019 Prius Prime Plug-In
2016–2019 Prius Gen4 (One/Two/Two Eco/Three(Lithium)/Four(Lithium))
2012–2015 Prius Plug-In
2009–2015 Prius Gen3
2003–2009 Prius Gen2
1997–2003 Prius Gen1 (partial)
Prius V
Auris
Aqua
Prius C
Feilder Hybrid
Axio Hybrid
Camry Hybrid
Avalon Hybrid
Highlander Hybrid
Lexus CT200h
Lexus ES300h
Lexus HS250h
Lexus RX400h
Lexus RX450h
Lexus GS450h
Lexus LS600h
Lexus UX250h
CHR Hybrid
2006 Estima Hybrid (partial on Android/Amazon Fire)
GM Hybrid – Tahoe

Videos

Find the trouble battery blocks

Android: Remaining life test

iOS: Remaining life test

2017 Prius Gen4 lithium: Life expectancy test

2017 Prius Gen4 lithium: Diagnostic

Easiest way to find out problem blocks

Promotion video

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Feedback

If you have questions or feedback, contact us at: support@PriusApp.com