Diagbox, Service Box & SEDRE Training Manual

Diagbox, Service Box & SEDRE Training Manual

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Do you struggle to use the genuine Diagbox software? Do you find it difficult to navigate the PSA aftersales portal? Do you want to be able to service and diagnose their branded vehicles?

We have all the answers! Designed with the independent aftermarket user in mind, this manual explains all the difficult issues in simple, easy to understand steps. Screen grabs guide you through everything you need to know about how to operate the PSA software and portal. This includes software updates, registration, Diagbox installation and much more.


Written by Ryan Colley, A Citroën Master technician with years of experience using this tool in both the dealership and aftermarket sectors.


Page 1: Front Cover

Page 2: What Will Be Covered

Page 3: Contents

Pages 4–10: Registration Process

Pages 11–27: Diagbox Installation

Pages 28–36: Purchasing Tokens

Pages 37–62: Service Box

Pages 63–72: SEDRE Wiring Diagrams Introduction

Page 73: SEDRE Principle

Pages 74–75: SEDRE Wiring

Pages 76–77: SEDRE Installation

Page 78: SEDRE Description Of Operation

Pages 79–85: SEDRE Tools

Page 86: SEDRE Zoom and Pan Secret

Pages 87–90: SEDRE Errors – “Your subscription has expired”

Pages 91–96: Diagbox Software

Pages 97–109: Diagbox Usability and Operation

Pages 110–112: Diagbox Global Test

Pages 113–119: Diagbox BSI Fault Log

Page 120: Diagbox Usability

Page 121: Diagbox Identification

Page 122: Diagbox Fault Reading

Pages 123–126: Diagbox Parameter Reading

Pages 127–130: Diagbox Actuator Test

Pages 131–132: Diagbox Repair

Pages 133–147: Diagbox Repair – Downloading

Pages 148–157: Diagbox Repair – Configuration

Page 158: Diagbox SERMI Security – Access Codes

Pages 159–162: Diagbox Documentation and Reports

Pages 163–167: Diagbox Help – Assistance Ticket and WebEx

Pages 168–172: Diagbox Help – Assistance Ticket – Attach Report

Pages 173–175: Diagbox Help – Assistance Ticket

Pages 176–180: Diagbox Help – WebEx


Customer Reviews
5.0 Based on 6 Reviews
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Eddie H.
United Kingdom United Kingdom
Training Manual

This manual is a must if your new to Servicebox, Diagbox & Sedre, I found it very useful to navigate through the different steps required. Great to have something to refer to if I get stuck. Many Thanks

Gareth R.
United Kingdom United Kingdom
best book ever highly recommend it

very easy to read and follow very informative book

Martyn M.
United Kingdom United Kingdom
Great Manual

This is a great manual, just what is needed made things so simple and very well written

John K.
Ireland Ireland

Very impressed with the content and format of this manual . One can tell it was put together by a guy that knows the system inside out .

Christopher R.
United Kingdom United Kingdom
Diagbox, Service Box & SEDRE Training Manual

Well presented and put together Manual. An invaluable guide written by someone who knows and uses the service.