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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Lin Communication System (Except Hybrid) - Diagnostic Codes) >> LIN COMMUNICATION SYSTEM (for Gasoline Model) >> DTC B2789: No Response from ID BOX [06/2018 - ] >> Description

DTC B2789: No Response from ID BOX [06/2018 - ]: Description

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B2789 No Response from ID BOX No communication between certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) for 10 seconds or more.
  • ID code box (immobiliser code ECU)
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector
  • ECU-B NO. 1 fuse