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Lesson 8 Enabling your included secure diagnostic access

Welcome to the eighth instalment of guides, to help you potential of your Bosch ESI[tronic] 2.0. With each new lesson, we will build your knowledge and familiarity until you become an ESI[tronic] 2.0 expert in your own right.

Overcoming the barrier of protected diagnostic vehicle data

Last time, we got to grips with the role of ‘Actual values’ in delivering a useful representation of the state of an ECU system based on data collected from the sensors or switch input signals and the component outputs on the vehicle.

In today’s lesson, we’re going to take a closer look at how your ESI[tronic] 2.0 can help you to continue delivering a full service in the face of increasingly stringent and commonplace protected vehicle data.

Designed to protect vehicle electronics from cyber threats and hacking – manufacturers secure the vehicle data in order to limit the access to protected diagnostic data. It is noteworthy that the scope of protected data differs from vehicle manufacturer to vehicle manufacturer. Some vehicle manufacturers require the unlocking of protected data (for example for the calibration of driver assistance systems and some even for performing a service reset). Without access to this data, your diagnostic capabilities are very limited – mainly to passive diagnostic possibilities for when you read trouble codes or actual values.

While it is possible to circumnavigate the protected data via individual OEM solutions if available, it comes at a price. Not only requiring multiple payments across multiple manufacturers, but also costing you valuable time as you register, log-in and navigate your way around different and disparate portals.

All the information you need in one convenient place

Included with your ESI[tronic] 2.0 ECU diagnostic (SD) licence and compatible with our latest generation of KTS (350, 560 and 590), Secure Diagnostic Access bundles individual OEM solutions into a single integrated and standardised solution. It is noteworthy that it is also compatible with our KTS 250, however with this device there is a possibility of there being limited scope of vehicle manufacturers.

How to register

how to register
Figure. 1

1. To log-in or register for Secure Diagnostic Access you can either simply head to the user icon at the top right corner of the screen (Fig 1) or wait to be prompted to log-in via the pop-up once you reach a restricted diagnostic system or function as part of your service process (Fig 2).

How to register
Figure. 2

All you need to log-in is a valid Bosch ID – compatible with a wide range of professional and personal Bosch apps – to authorise your access. If you have not already got one, you can quickly and easily register online free of charge.

How to register
Figure. 3

2. Some OEM’s – such as Mercedes-Benz – will ask for an extra level of user identification before you can access their systems (Fig 3). For authenticating your profile quickly and easily, we recommend doing this via the IDnow smartphone or tablet app. Alternatively, if a mobile device is not available and your computer or laptop is equipped with a webcam, you can also register online at the IDnow website. Your ESI[tronic] software will guide you step-by-step through the authentication process, which is only required to be done once and is free of charge (Fig 4).

How to register
Figure. 4

3. Once you have successfully registered, you will notice the user icon turn from grey to green (Fig 5). This means you are logged in to Secure Diagnostic Access.

For security reasons, you will be automatically signed out every 12 hours, meaning that you should only ever need to log in once in your working day. Essentially taking you back to a time before vehicle data was secured and where you could move seamlessly from task to task across a full shift.

Ever-growing access included in your package as standard

ever-growing access  included in your package as standard
Figure. 5

With more and more OEMs choosing to secure and protect their vehicle data it will soon become an impossibility for many workshops to perform all of the tasks they need to carry out a full service without investing in numerous direct OEM licences.

qr code

As an ESI[tronic] 2.0 user you will always be one step ahead of the curve. We are aiming to add additional OEM accesses when they are made available by the OEMs – all included in your ECU diagnostic (SD) licence as standard. Allowing your workshop to be future-proofed and carry out the tasks at hand with ease. With the ESI[tronic] SDA Help centre, which you can visit here:, or by scanning the QR code, your questions are all answered in one place.

What to read next?

Lesson 9: Mastering actuator tests, function tests, adjustments & special functions

Join us for our next lesson to discover more about how you can make the most of the System Overview and Protocol Reports to quickly understand potential issues and deliver detailed reports – from end to end.