FixVault

Problem Symptoms Table

ENGINE IMMOBILIZER SYSTEM 

PROBLEM SYMPTOM TABLE

Symptom Suspected Area Information
Engine does not start Key (Transponder chip malfunction) DTC B2793: TRANSPONDER CHIP MALFUNCTION 
Key (Unmatched encryption code) DTC B2794: UNMATCHED ENCRYPTION CODE 
Key (Unmatched key code) DTC B2795: UNMATCHED KEY CODE 
Key (No communication in immobilizer system) DTC B2796, B2798: NO COMMUNICATION IN IMMOBILIZER SYSTEM; COMMUNICATION MALFUNCTION NO. 2 
Key (Communication malfunction) DTC B2797: COMMUNICATION MALFUNCTION NO. 1 
Transponder key amplifier (Antenna coil open/short) DTC B2784: ANTENNA COIL OPEN/SHORT 
Transponder key amplifier (No communication in immobilizer system) DTC B2796, B2798: NO COMMUNICATION IN IMMOBILIZER SYSTEM; COMMUNICATION MALFUNCTION NO. 2 
Transponder key amplifier (Communication malfunction) DTC B2797 COMMUNICATION MALFUNCTION NO. 1 
Transponder key ECU assembly (Key unlock warning switch malfunction) DTC B2780: PUSH SWITCH/KEY UNLOCK WARNING SWITCH MALFUNCTION 
Transponder key ECU assembly (Antenna coil open/short) DTC B2784: ANTENNA COIL OPEN/SHORT 
Transponder key ECU assembly (No communication in immobilizer system) DTC B2796, B2798: NO COMMUNICATION IN IMMOBILIZER SYSTEM; COMMUNICATION MALFUNCTION NO. 2 
Transponder key ECU assembly (Communication malfunction) DTC B2797: COMMUNICATION MALFUNCTION NO. 1 
Transponder key ECU assembly (Engine immobilizer system malfunction) DTC B2799: ENGINE IMMOBILIZER SYSTEM MALFUNCTION