Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART
TRANSPONDER KEY ECU
TRANSPONDER KEY ECUDTC Code Detection Item Trouble Area B2780 Push Switch / Key Unlock Warning Switch Malfunction - Wire harness
- Unlock warning switch
- Transponder key ECU
B2784 Antenna Coil Open / Short - Wire harness
- Transponder key amplifier
- Transponder key ECU
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 ECU
B2797 Communication Malfunction No. 1 - Key
- Transponder key amplifier
- Transponder key ECU
B2798 Communication Malfunction No. 2 - Key
- Transponder key amplifier
- Transponder key ECU
- 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 DIAGNOSTIC TROUBLE CODE CHARTDTC Code Detection Item Trouble Area B2799 Engine Immobilizer System Malfunction - Wire harness
- ECM
- Transponder key ECU