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Diagnostic Trouble Code Chart

  1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART 

    TRANSPONDER KEY ECU 

    DIAGNOSTIC TROUBLE CODE CHART

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

    HINT:

    The DTCs for the engine Immobilizer system are specified above. If other codes are output, check the DTC chart for the SFI system.

    ECM 

    ECM DIAGNOSTIC TROUBLE CODE CHART

    DTC Code Detection Item Trouble Area
    B2799  Engine Immobilizer System Malfunction
    1. Wire harness
    2. ECM
    3. Transponder key ECU assembly
    B279A  Theft Deterrent System Communication Line High Fixation
    1. Wire harness
    2. Transponder key ECU assembly
    3. ECM
    B279C  Theft Deterrent System Presence Detection ECM
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