Autel XP400 PRO Quick Reference Guide

Hey guys, let’s start a new topic: How to use Autel XP400 PRO with Autel’s IMMO & Key programming tablet (Autel IM508, IM608, IM608 Pro etc), with Autel XP400 PRO connected, Autel tablet will have powerful functions including. advanced key programming vehicle coverage, powerful IMMO Functions, advanced Programming function, Read EEPROM and MCU, Read/Write odometer, and more.


Autel XP400 PRO Quick Reference Guide:

  1. USB Port – provides data communication and 5V DC power supply.


  1. DC Port – provides 12V DC power supply.


  1. DB 26-Pin Port — connects with the Mercedes Benz infrared collector, ECU cable, MCU cable and MC9S12 cable.


  1. Cross Signal Pins – hold the MCU spare cable or DIY signal interface.


  1. Vehicle Key Slot – holds the vehicle key.


  1. Transponder Slot – holds the transponder.


  1. Mercedes Infrared Key Slot – holds the Mercedes infrared key.


  1. Status LED – indicates the current operating status.


  1. EEPROM Component Transponder Slot – holds the EEPROM plug-in transponder or EEPROM socket.


USB Port

The Type B USB port provides data communication and power supply for handheld device, PC and XP400 Pro.


DC Port

DC Port is used to provide 12 V power supply for the XP400 Pro.


DB 26-Pin Port

Four components can be connected to this port: Mercedes Infrared Collector, ECU Cable, MCU Cable and
MC9S12 Cable.


Autel Xp400 Pro Manual 01




Before operating or maintaining this unit, please read these instructions carefully. Pay extra attention to the safety warning and precautions. Use this unit correctly and properly. Failure to do so may cause damage and/or personal injury and will void the production warranty.


  1. Insert the USB port into XP400 Pro. Ensure the proper connection.


  1. Connect the other port of the USB cable with Autel’s IMMO & Key programming tablet (for example: Autel IM508, IM608, IM608 Pro etc) or PC which has installed the PC programmer. Ensure the proper communication.


  1. Activate Autel’s IMMO & Key Programming Tablet or the software from PC. Make sure the display tablet has sufficient battery or the software from the PC has been updated to the latest version.


  1. Connect Autel’s IMMO & Key Programming Tablet (the software from PC) with XP400 Pro by USB cable.


* After the connection of IMMO & Key Programming Tablet with XP400 Pro, the LED

indicator from XP400 Pro will display green light, indicating the readiness of XP400 Pro.

Autel Xp400 Pro Manual 02


Autel XP400 PRO Package list

Autel Xp400 Pro Manual 03

1pc x XP400 Pro Main Unite

1pc x APB129 – EEPROM Adapter

1pc x APA002 – EEPROM Socket

1pc x APB125 – Mercedes Infrared Collector

1pc x APB103 – MCU_PLCC52 Adapter

1pc x APB104 – MCU_FQFP64 Adapter

1pc x APB105 – MCU_FQFP80 Adapter

1pc x APB106 – MCU_FQFP112 Adapter

1pc x APB107 – MCU_FQFP144 Adapter

1pc x APB108 – MCU_FQFP176 Adapter

1pc x APB109 – MCU_FQFP32 Adapter

1pc x APB110 – MCU_FQFP48 Adapter

1pc x APB111 – MCU_SO28 Adapter

1pc x APA101 – Spare Signal Cable

1pc x APC101 – USB Cable (Standard USB –Type B USB)

1pc x APA103 – EEPROM Clamp

1pc x APA107 – ECU Cable

1pc x APA108 – MCU Cable

1pc x APA109 – MC9S12 Cable

1pc x Dupont Line


Why Autel XP400 PRO is powerful than Autel XP400? please look at their comparison:

Autel XP400 PRO vs. Autel XP400


Features X400 Pro XP400
Image Autel Xp400 Pro 04 Autel Xp400 05
Read/write EEPROM 445 different chip types newly added support (AM29FXXX series, MB29FXXX series) 330 chip types
Read/ write MCU 2067 chip types 1541 chip types
Read/write Engine ECU 41 chip types add write support for
40 chip types
read/ write Immoblizer ECU 181 chip types 168 chip types
Read/write odometer read odometer module 171 types (update in July) read odometer module 9 types
Airbag read/
read airbag module 5 types read airbag module 5 types
Frequency detection 315/ 433/ 868MHz 315/ 433/ 868MHz
read/ write Key Support Support
Unlock key support 11 key types (Audi/ BMW) N/A
Write key via
Mitsubishi, Suzuki, fiat, landrover, Jaguar Mitsubishi, Suzuki, fiat landrover. Jaguar
Easy to use/
I.Stability of key read/ write, chip read/ write, IR key read/
write are greately enchanced.
2. menus are too vague and can’t select intuitively
3. with high-definiton wiring diagrams (not sufficiently
1. menus are too value and can’t select
2. with high-definiton wiring diagrams
(not sufficiently covered)



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