DTC B2799: Engine Immobilizer System Malfunction [08/2015 - ]: Description

This DTC is stored when one of the following occurs: 1) the ECM detects errors in its own communication with the transponder key ECU assembly; 2) the ECM detects errors in the communication lines; or 3) the ECU communication ID between the transponder key ECU assembly and ECM is different and an engine start is attempted.

DTC No.	DTC Detection Condition	Trouble Area	DTC Output Confirmation Operation
B2799	One of the following conditions is met: Error in communication between ECM and transponder key ECU assembly. Error in communication lines. Communication ID is different during communication between ECM and transponder key ECU assembly.	Wire harness or connector ECM Transponder key ECU assembly	Start the engine and wait 10 seconds. After disconnecting and reconnecting the cable to the negative (-) battery terminal, turn the ignition switch to ON and wait 10 seconds.

VEHICLE CONDITION AND FAIL-SAFE OPERATION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Engine cannot be started	-

RELATED DATA LIST AND ACTIVE TEST

DTC No.	Data List and Active Test
B2799	-