Engine Immobiliser System Diagnostic Trouble Code Chart

  1. TRANSPONDER KEY ECU DTC CHART

  1. ECM DTC CHART

Engine Immobiliser System -- Diagnostic Trouble Code Chart



TRANSPONDER KEY ECU DTC CHART

Transponder key ECU
DTC No.
Detection Item
Trouble Area
See page
B2780
Push Switch / Key Unlock Warning Switch Malfunction
- Unlock warning switch assembly
- Wire harness
- Transponder key ECU
Toyota Fortuner RM000000Z3A004X.html
B2784
Antenna Coil Open / Short
- Wire harness
- Transponder key amplifier
- Transponder key ECU
Toyota Fortuner RM000000Z3F004X.html
B2793
Transponder Chip Malfunction
Key
Toyota Fortuner RM000000Z3B004X.html
B2794
Unmatched Encryption Code
Key
Toyota Fortuner RM000000Z3C004X.html
B2795
Unmatched Key Code
Key
Toyota Fortuner RM000000Z37004X.html
B2796
No Communication in Immobiliser System
- Key
- Transponder key amplifier
- Wire harness
- Transponder key ECU
Toyota Fortuner RM000000Z38004X.html
B2797
Communication Malfunction No. 1
- Key
- Wire harness
- Transponder key amplifier
- Transponder key ECU
Toyota Fortuner RM000000Z39004X.html
B2798
Communication Malfunction No. 2
Key
Toyota Fortuner RM000000Z38004X.html

ECM DTC CHART
HINT:
The DTCs for the immobiliser system are specified above. If other codes are output, check the DTC chart for the engine control system.

ECM
DTC No.
Detection Item
Trouble Area
See page
B2799/99
Engine Immobiliser System Malfunction
- Wire harness
- ECM
Toyota Fortuner RM000000Z3D004X.html