Diagnostic Trouble Code Table
WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
- TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE TABLE DIAGNOSTIC TROUBLE CODE TABLE
DTC No. Detection Item Trouble Area B2780 Push Switch/Key unlock Warning Switch Malfunction - Unlock warning switch
- Wire harness
- Transponder key ECU assy
B2784 Antenna Coil Open/Short - Transponder key amplifier (Transponder key coil)
- Wire harness
- Transponder key ECU assy
B2793 Transponder Chip Malfunction - Key
B2794 Unmatched Encryption Code - Key
B2795 Unmatched Key Code - Key
B2796 No Communication in Immobilizer System - Key
- Transponder key amplifier (Transponder key coil)
- Wire harness
- Transponder key ECU assy
B2797 Communication Malfunction No.1 - Key
- Wire harness
- Transponder key amplifier
- Transponder key ECU assy
B2798 Communication Malfunction No.2 - Key
- Transponder key amplifier (Transponder key coil)
- Wire harness
- Transponder key ECU assy
- ECM DIAGNOSTIC TROUBLE CODE TABLE NOTE: The DTC for the immobilizer system is specified. If the other codes are output, check the DTC table of the engine control system.DIAGNOSTIC TROUBLE CODE TABLE
DTC No. Detection Item Trouble Area B2799 Engine Immobilizer System Malfunction - Wire harness
- Transponder key ECU assy
- Transponder key amplifier (Transponder key coil)
- ECM