Diagnostic Trouble Code Chart

TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART

DETECTION ITEM TROUBLE AREA

DTC No. (See)	Detection Item	Trouble Area
B2793 ( DTC B2793 TRANSPONDER CHIP MALFUNCTION )	Transponder chip malfunction	Key
B2794 ( DTC B2794 UNMATCHED ENCRYPTION CODE )	Unmatched encryption code	Key
B2795 ( DTC B2795 UNMATCHED KEY CODE )	Unmatched key code	Key
B2796 ( DTC B2796 NO COMMUNICATION IN IMMOBILIZER SYSTEM, DTC B2798 COMMUNICATION MALFUNCTION NO. 2 )	No communication in immobilizer system	Key Transponder key amplifier Transponder key coil Wire harness Transponder key ECU
B2797 ( DTC B2797 COMMUNICATION MALFUNCTION NO. 1 )	Communication malfunction No. 1	Key Wire harness Transponder key amplifier Transponder key ECU
B2798 ( DTC B2796 NO COMMUNICATION IN IMMOBILIZER SYSTEM, DTC B2798 COMMUNICATION MALFUNCTION NO. 2 )	Communication malfunction No. 2	Key Transponder key amplifier Transponder key coil Wire harness Transponder key ECU

ECM DIAGNOSTIC TROUBLE CODE CHART

NOTE: The diagnostic trouble code for the immobilizer system is specified. If other codes are output, make a check in the diagnostic trouble code chart of the engine control system.

DETECTION ITEM

DTC No. (See)	Detection Item	Trouble Area
B2799 ( DTC B2799 ENGINE IMMOBILIZER SYSTEM MALFUNCTION )	Engine immobilizer system malfunction	Wire harness Transponder key ECU Transponder key amplifier ECM