Diagnostic Trouble Code Chart

TRANSPONDER KEY ECU ASSEMBLY DTC CHART

Transponder key ECU assembly:

TRANSPONDER KEY ECU ASSEMBLY DIAGNOSTIC TROUBLE CODE

DTC No.	Detection Item	Trouble Area
B2780	Push Switch / Key Unlock Warning Switch Malfunction	Unlock warning switch assembly Wire harness Transponder key ECU assembly
B2784	Antenna Coil Open / Short	Wire harness Transponder key amplifier Transponder key ECU assembly
B2793	Transponder Chip Malfunction	Key
B2794	Unmatched Encryption Code	Key
B2795	Unmatched Key Code	Key
B2796	No Communication in Immobilizer System	Key Wire harness Transponder key amplifier Transponder key ECU assembly
B2797	Communication Malfunction No. 1	Key Wire harness Transponder key amplifier Transponder key ECU assembly
B2798	Communication Malfunction No. 2	Key

ECM DTC CHART

NOTE: The DTC for the immobilizer system is specified. If other codes are output, check the DTC chart of the SFI system.

ECM:

ECM DIAGNOSTIC TROUBLE CODE

DTC No.	Detection Item	Trouble Area
B2799	Engine Immobilizer System	Wire harness ECM