How to Program Maserati Quattroporte 2004 All Keys Lost

A Maserati Quattroporte 2004 owner has lost all keys, straight remote key. Here is the locksmith solution on how to program a new key.

First try some OBD2 key programmers, SKP900, OBDSTAR X300, all failed. You have to remove BDM to write key.

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Main steps:
1.Remove BDM

Quattroporte BDM is located under the dashboard. Open the shell, find out and locate CPU.

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Xprog-M box higher version and VVDI Prog do have this cpu listed, but don’t have connection pinout. Spent a long time to analyse the CPU External alignment and finally connected it. It requires technical skills as well.

Read MC9S12 MCU eeprom via Xprog

Read eeprom data and save it.

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2 Write key.

Key Programmer options: TM100,FLY FVDI2 or OBD Terminator
Example by using FLY OBD Terminator

Open Tag key tool to write key

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TAG key tool has similar menu as VVDI2
Select region Europe, Quattroporte,Quattroporte,2004-9S12

Upload eeprom

TAG software will display original key data
select a unused key position

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place an ID48 into coil to write key

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It will generate new key data.
Re-write the new key data back to CPU.
Reinstall BDM and start key with the new chip key.

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If you need to program remote ,you can enter Fiat system and follow screen prompts to program.

Posted in Auto Scanner Tools, FVDI ABRITES Commander and tagged , , , , , , , , , , , , .

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