SC No. Level Error Name/Error Condition/Major Cause/Solution
669 - 21 Device error during EEPROM data read
669 - 22 Communication interrupted error during EEPROM data read
669 - 23 Communication timeout error
669 - 24 Not operating error during EEPROM data read
669 - 25 Buffer full during EEPROM data read
669 - 26 No error code during EEPROM data read
• Electromagnetic noise
• EEPROM error
• Turn the main power OFF and then ON.
• Replace the BCU
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC669-36 D
EEPROM communication error
The EEPROM data has been transferred to the SRAM twice in succession,
but the two sets of transferred data do not match.
669 - 36 EEPROM SRAM OPEN: Verified error
• Electromagnetic noise
• EEPROM error
• Turn the main power OFF and then ON.
Service Call
135
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