10/31/2017

VVDI2 VAG Program Passat 2012 NEC+ 24C64 All Keys Lost

Here’s the guide to program smart key for VW Passat 2012 year when all keys are lost by using Xhorse VVDI2 VAG key programmer.
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Step 1:
Read key tooth with Lishi HU66 2-in-1 pick/decoder and cut a spare key with Condor XC-Mini key cutting machine.
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Step 2:
Connect the fuse next to the left door, 2nd on Line 1 and 1st on Line 3
Dashboard turns on at this time
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Step 3:
Connect VVDI2 with vehicle
Select dash type: 2012 VDO NEC+ 24C64
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Enter 03 BAS
Take a photo of /write down the long code
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Step 4:
Remove instrument, find out 24C64 CPU chip, read EEPROM data with ecu programmer, i.e VVDI Prog, Yanhua CKM100 etc
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Save eeprom dump.

Step 5:
Open VVDI2 VAG loader
Select Key Learn->4th generation immobilizer->Dash-NEC+24C64
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Select All Keys Lost
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Select Generate service pattern 24C64 EEPROM
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Save eeprom (do not replace the original eeprom file)
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Re-write eeprom generated in service pattern back to CPU chip and reinstall to vehicle

Step 6:
Remove the coil of the steering column, follow step 2 to turn on the dash.
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Connect VVDI2, select dash type
Complete following steps to program key:
1.Dashboard turns black, complete all these steps to reset instrument
2.Read eeprom data and save
3.Read immo data and save
4.Generate dealer key
5.Reset instrument
6.Add a key
7. Perform other functions

Upload eeprom data and write eeprom
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Read Immo data and save
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Select Generate dealer key
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Reset instrument
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Add a key
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Backup eeprom and immo data before key learning
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Learn key. Upload immobilizer data to add a key
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Remove the fuse.
Program Passat 2012 all keys lost success.

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