VW MED17.5 ECU Read and Write by Alientech Kess V3 on Bench

How to clone VW MED17.5 ECU with Alientech Kess V3?

Kess 3 can support most of MED17.5 ECUs via OBD, Bench, and Boot modes.

 

For example:

Car model: Passat B6 (2010) 2.0 TSI 6MT with Bosch MED17.5 ECU

Supported mode: OBD/Bench/Boot

Connection method and instruction: can be found in the Alientech Suite software

 

Operation guide:

On Bench mode

Remove the ECU from the vehicle

Connect to the ECU

Select Identify ECU in the programming menu to allow correct recognition of the ECU

Always make a full backup of the ECU

Proceed with read backup and write backup.

 

Connection modes:

Accessory Direct
Bench power supply 1400K3ALIM
Multiwire cable 144300KBNC
Extensions for multiwire cable 144300KTER

Plug in the bench power supply 1400K3ALIM to the KESS3 ECU programmer

Connect the cable 144300KBNC to the ECU connector, using the appropriate extensions 144300KTER according to the pinout below.

Pin Color Description
Pin 5, 87, 92 Red, orange VECU
Pin 1 Black GND
Pin 68 White CAN-H
Pin 67 Green CAN-L
Pin 53 Light Blue GPT1
Pin 36 Pink GPT2

kess v3 clone vw med17.5 1 - VW MED17.5 ECU Read and Write by Alientech Kess V3 on Bench - VW MED17.5 ECU Read and Write by Alientech Kess V3 on Bench

 

Actual operation:

Connect Kess V3 to MED17.5 ECU and computer by the corresponding cable, and supply power to Kess3 as well

kess v3 clone vw med17.5 2 - VW MED17.5 ECU Read and Write by Alientech Kess V3 on Bench - VW MED17.5 ECU Read and Write by Alientech Kess V3 on Bench

 

Run Alientech Suite software, select the MED17.5 ECU desired and bench mode

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Identify ECU>> Read backup>> Write backup

It takes about 3 minutes to read backup the data, keep patient!

Write data very fast!

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