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JCI cluster with NEC and 95320 EEPROM: mileage, EEPROM, immo data and key adding

A dedicated function for Johnson Controls instrument clusters with an NEC microcontroller, 95320 EEPROM and UDS diagnostic protocol. It lets you read the mileage, read and write the EEPROM, read and write the immobiliser data and add a dealer key.

Procedure

1. Open "CAN Instrument" and select "JCI with NEC uC and 95320 EEPROM (CAN UDS)": the dedicated dialog window opens.
2. Press "Read mileage" to read the current mileage.
3. Press "Read EEPROM" to read the EEPROM data and "Write EEPROM" to write it back.
4. Press "Read Immo data" to read the immobiliser data.
5. Once read, you can edit the immo data and write it with "Write Immo data".
6. To add a key, after reading the immo data press "Add key": a dealer key is prepared.
7. Add the new key to the immo data and write the updated immo data back into the immobiliser.

Reference screenshots