FixVault

Diagnostic Trouble Code Chart

  1. TRANSPONDER KEY ECU ASSEMBLY DTC CHART 

    TRANSPONDER KEY ECU ASSEMBLY 

    DIAGNOSTIC TROUBLE CODE CHART

    DTC Code Detection Item Trouble Area See page
    B2780  Push Switch / Key Unlock Warning Switch Malfunction
    • Unlock warning switch assembly
    • Wire harness
    • Transponder key ECU assembly
    DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction 
    B2784  Antenna Coil Open / Short
    • Wire harness
    • Transponder key amplifier
    • Transponder key ECU assembly
    DTC B2784 Antenna Coil Open / Short 
    B2793  Transponder Chip Malfunction Key DTC B2793 Transponder Chip Malfunction 
    B2794  Unmatched Encryption Code Key DTC B2794 Unmatched Encryption Code 
    B2795  Unmatched Key Code Key DTC B2795 Unmatched Key Code 
    B2796  No Communication in Immobiliser System
    • Key
    • Wire harness
    • Transponder key amplifier
    • Transponder key ECU assembly
    DTC B2796 No Communication in Immobiliser System; DTC B2798 Communication Malfunction No. 2 
    B2797  Communication Malfunction No. 1
    • Key
    • Wire harness
    • Transponder key amplifier
    • Transponder key ECU assembly
    DTC B2797 Communication Malfunction No. 1 
    B2798  Communication Malfunction No. 2 Key DTC B2796 No Communication in Immobiliser System; DTC B2798 Communication Malfunction No. 2 
  2. ECM DTC CHART 
    NOTE: The DTC for the immobiliser system is specified. If other codes are output, check the DTC chart of the SFI system.

    ECM 

    DTC CHART

    DTC Code Detection Item Trouble Area See page
    B2799  Engine Immobiliser System Malfunction
    • Wire harness
    • ECM
    DTC B2799 Engine Immobiliser System Malfunction