Program VW MQB NEC35XX Key with Launch X431 IMMO Plus

Launch X431 IMMO tablets IMMO PAD/IMMO Pro/IMMO Plus/+ X-PROG3 programmer will add spare keys to VW MQB system.

*Add key only, cannot do all keys lost. AKL better check xhorse vvdi tools.

If you are not sure if your model can be done by x431 immo tablet, provide vehicle model, year, VIN and cluster number to us to confirm.

Here is the demo instruction to add key to MQB system using x431 immo tablet.

Model example:
2019 VW Magotan

VIN
LFV2A23C2K31*****

Menu path:
Go to Immo Prog->Key Learning
Connect IMMO tablet with X-prog iii programmer as following

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 1

Select MQB Immobilizer->Platform mode (bench)->Remove to read immobilizer data-> Direct connection diagram->NEC35XX

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 2

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 3

Select cluster chip type
Supported following chip types

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 4

A2C0088900
A2C81589600
A2C81589700
D70F3423G(A)
D70F3526
D70F3529

Check mcu processor

Here we choose D70F3529

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 5

2 Ways to read immo data
Lfit pin or track cut
same as vvdi.

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 6

Choose lift pin method here

Select Decrypt Flash & EEPROM

Check wiring diagram and connect immo tablet with the cluster, connect tablet with diagnostic connector via USB

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 8

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Read chip ID

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 11

Full backup data
read and save flash & eeprom

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 12

Select Decrypt Flash & EEPROM again
select immo data just saved

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 13

You will get CS code

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 14

Select Generate dealer key

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Place the original key into x431 immo tablet x-prog3 programmer
Read original data successfully
Insert a blank key into x-prog3
Select VW
Generate dealer key successfully

Program VW MQB NEC35XX Key with Launch X431 IMMO Plus 16

Select Key Learning

Input key number you need to learn: 2
Confirm the key is keyless smart key.

Place the original key into the Induction coil and turn on the ignition to ON position

Enter key learning mode
learn 1st key

Place 2nd key into the Induction coil

learn 2nd key

save new key data.
Test both keys.

Done.

FYI: Launch X431 IMMO tablets will also clone MQB cluster.

Select MQB cluster replacement
Follow same procedure above to read cluster data by lifting pin method.
Save Flash & EEPROM data,
Replace used cluster does not require lift pin.
Write Flash to the new used cluster.
Install used cluster back to vehicle, no need to program cluster.

http://blog.obdii365.com/2023/05/05/how-to-add-vag-mqb-nec35xx-key-with-launch-x431-immo-pad/

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