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DTC B2789: No Response from ID BOX: Description

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This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and ID code box (immobilizer code ECU) stops for 10 seconds or more.

DTC No. DTC Detection Condition Trouble Area
B2789 No communication between certification ECU (smart key ECU assembly) and ID code box (immobilizer code ECU) for 10 seconds or more.
  • ID code box (immobilizer code ECU)
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector
  • ECU-B2 fuse