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Home >> Lexus >> 2008 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Immobilizer) >> Engine Immobiliser System >> Diagnostic Trouble Code Chart
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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. TRANSPONDER KEY ECU DTC CHART 

    Transponder key ECU: 

    DTC DETECTION CONDITION CHART

    DTC No. Detection Item Trouble Area
    B2780  Push Switch / Key Unlock Warning Switch Malfunction
    • Unlock warning switch
    • Wire harness
    • Transponder key ECU
    B2793  Transponder Chip Malfunction Key
    B2794  Unmatched Encryption Code Key
    B2795  Unmatched Key Code Key
    B2796  No Communication in Immobiliser System
    • Key
    • Transponder key amplifier
    • Wire harness
    • Transponder key ECU
    B2797  Communication Malfunction No. 1
    • Key
    • Wire harness
    • Transponder key amplifier
    • Transponder key ECU
    B2798  Communication Malfunction No. 2 Key
  2. ECM DTC CHART ECM: 
    DTC DETECTION CONDITION CHART

    DTC No. Detection Item Trouble Area
    B2799  Engine Immobiliser System
    • Wire harness
    • Transponder key ECU
    • ECM
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