3/27/2019

CGDI MB Read, Reset and Write NEC Chip

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.
benz-nec-chip

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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