How to Read, Reset and Write NEC Chip with CGDI MB?

Here’s the guide to read, reset and Write NEC with CGDI Prog MB Mercedes Benz key programmer.

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Dismantle key and desolder NEC chip

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Clean PCB and NEC chip before soldering on CGDI NEC adapter

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Identify NEC chip and solder onto NEC-board

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Select NEC adapter and corresponding chip type

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Read Key/Chip

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Reset NEC chip

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Reset success

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If you have saved key files, click Open/Write, select a key file

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Write success
Back to click on Read Key/Chip to confirm NEC chip status

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CGDI MB write NEC chip success.

 

 

Note: If you need to repair Mercedes W204 207 212 ESL/ELV when NEC broken with CGDI MB, you need a Benz W204 ESL/ELV NEC chip for adaptation no need renew EIS.

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Step 1 : replace with  our new nec chip
Step 2:  assemble back ESL
Step 3: read EIS data and save
Step 4: renew ESL and the erase password is all 1
Step 5: load eis data and password,tick auto clear tp and personalise and press write  And job is done !

No need for EIS renew!!!
No need to wait hours for disabled NEC chip to renew !!!
Adaptation done within a minute!!!

 

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