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Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. TRANSPONDER KEY ECU DTC CHART 
    Fig 1: DTC Trouble Detection Table (Transponder Key ECU)
    G02642805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. ECM DTC CHART 
    NOTE: The DTC for the immobilizer system is specified. If other codes are output, check the DTC chart of the engine control system.
    Fig 2: DTC Trouble Detection Table (ECM)
    G02642806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
DTC B2780  Push Switch/Key Unlock Warning Switch Malfunction
DTC B2784  Antenna Coil Open/Short
DTC B2793  Transponder Chip Malfunction
DTC B2794  Unmatched Encryption Code
DTC B2795  Unmatched Key Code
DTC B2796, B2798  No Communication in Immobilizer System & Communication Malfunction No. 2
DTC B2797  Communication Malfunction No. 1
DTC B2799  Engine Immobilizer System Malfunction