B2799

DTC B2799 ENGINE IMMOBILIZER SYSTEM MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detection Condition:

This DTC is output when: 1)the ECM detects errors in its own communications with the transponder key ECU; 2)the ECM detects errors in the communication lines; and 3)the ECU communication ID between the transponder key ECU and the ECM are different.

Wiring Diagram:

Step 1:

INSPECTION PROCEDURE

HINT: Before troubleshooting for this DTC, make sure no transponder key ECU DTCs are present. If present, troubleshoot the transponder key ECU DTC first.