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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Remote Engine Starter System - Diagnostic Codes & Symptom Tests - (Hybrid) >> Remote Engine Starter System >> DTC B2779: Engine Starter Communication Malfunction [10/2014 - ] >> Description

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

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

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

DTC Code DTC Detection Condition Trouble Area
B2779 Either of the following conditions is met:
  • A remote start communication error occurs.
  • Response is not possible.
  • Remote engine starter ECU
  • Main body ECU (multiplex network body ECU)
  • Certification ECU (smart key ECU assembly)