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Learn RSDiag

From your first read to a fully verified flash. Short, practical guides written around real hardware.

01

Install & sign in

Get the app, sign in, add your VIN.

02

Pair adapter

Connect your OBD interface to the ECU.

03

Read & back up

Store the original before any change.

04

Write & verify

Flash with gates and read-back on.

Getting started

Install, sign in, and set up your first vehicle.

Connecting an adapter

Wi-Fi bridges, K-line and D-CAN interfaces.

Reading a calibration

Read, verify integrity and back up.

Writing & brick-safety

Flash safely — how the gates protect you.

Troubleshooting

Common issues and how to fix them.

Can’t find an answer?

We’re happy to help you get set up or unblock a flash.

Contact support