FixVault

Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, check the circuit listed for that code. For details of each code, refer to the "DTC No" in the DTC chart.

  1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART 
    TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART

    DTC No. Detection Item Trouble Area Proceed To
    B2780 Push Switch / Key Unlock
    Warning Switch Malfunction
    1. Unlock warning switch assembly
    2. Wire harness
    3. Transponder key ECU assembly
    B2780 
    B2784 Antenna Coil Open / Short
    1. Transponder key amplifier
    2. Wire harness
    3. Transponder key ECU assembly
    B2784 
    B2793 Transponder Chip Malfunction Key B2793 
    B2794 Unmatched Encryption Code Key B2794 
    B2795 Unmatched Key Code Key B2795 
    B2796 No Communication in Immobilizer System
    1. Key
    2. Transponder key amplifier
    3. Wire harness
    4. Transponder key ECU assembly
    B2796 
    B2797 Communication Malfunction No. 1
    1. Key
    2. Transponder key amplifier
    3. Wire harness
    4. Transponder key ECU assembly
    B2797 
    B2798 Communication Malfunction No. 2 Key B2798 
  2. ECM DIAGNOSTIC TROUBLE CODE CHART 
    ECM DIAGNOSTIC TROUBLE CODE CHART

    DTC No. Detection Item Trouble Area Proceed To
    B2799 Engine Immobilizer System
    1. Wire harness
    2. Transponder key ECU assembly
    3. ECM
    B2799 
    NOTE: The DTC for the immobilizer system is specified above. If other codes are output, check the DTC chart for the hybrid control system.