Technical Support

Launch Professional Diagnostics

Launch Creader Series

Launch IMMO Tools

Valued Bundle Deals

ECU TCU Programmer

Launch EV Diagnostic

Launch Renewal Card

Launch TPMS Tools

Heavy Duty Series

Launch X431 Parts

Newsletter

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data

How to read, write and back up VW Polo 2016 MQB MEC35XX immo data so that you can add key or program all keys lost.

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
 

Tools used:

Launch X431 PAD VII (Or Launch X431 IMMO Plus/IMMO Elite)

X-prog3

MCU3 adapter

 

Procedure:

Go to System and Function->Special Function-> The anti-theft function-> 4th Generation Immobilizer system-> Anti-theft module replacement->MQB instrument

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
 

Check wiring diagram

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
 

Select processor, here it is Renesas A2C81589700

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
 

Launch indicate to use lift pin method. Read and connect MQB cluster with X-prog3 and MCU3 adapter carefully.

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
 

Read chip ID

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
 

Read Full backup data
Read Flash
Write eeprom.

Save full backup data.

LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data
LAUNCH X431 PAD VII Read VW Polo MQB MEC35XX IMMO Data

Then Decrypt Flash & EEPROM, upload immo data just saved to get CS code.

Then generate dealer key and learn key with X-prog3.

Back to top