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DTC B2779: Engine Starter Communication Malfunction [10/2014 - ]: Description

If communication between the remote engine start ECU and certification ECU (smart key ECU assembly) cannot be performed, even if a remote start operation is performed to try changing the power source mode to on (IG) or start the engine, this DTC is stored.

When the remote engine start ECU does not respond to the certification ECU (smart key ECU assembly), this DTC is stored. When communication with the remote engine start ECU is established, this DTC is cleared.

DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation
B2779 One of the following conditions is met (1 trip detection logic*):
  • A remote start communication error occurs.
  • Response is not possible.
  • Registration has not been performed.
  • Remote engine start ECU
  • Wire harness or connector
  • Main body ECU (multiplex network body ECU)
  • Certification ECU (smart key ECU assembly)
A remote start operation is performed.
VEHICLE CONDITION AND FAIL-SAFE OPERATION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected Fail-safe Operation when Malfunction Detected
Engine does not start with remote start operation Engine cannot be started by remote start operation only
RELATED DATA LIST AND ACTIVE TEST

DTC Code Data List and Active Test
B2779
  • Wireless Starter Com ID
  • Wireless C Code