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DTC B277A-96: Wireless Starter Component Internal Failure [11/2023 - ]: Description

If the remote engine start ECU*1 or DCM (telematics transceiver)*2 does not respond to the certification ECU (smart key ECU assembly) or the remote engine start ID is not registered, this DTC is stored.

HINT: 

Registration status of the DCM (telematics transceiver) ID can be checked using the "Remote Engine Starter Registration Status" item in the Data List.*2

  1. *1: w/ Genuine Remote Engine Start
  2. *2: for Remote Connect Compatible Type
DTC No. Detection Item DTC Detection Condition Trouble Area Note
B277A-96 Wireless Starter Component Internal Failure One of the following conditions is met (1 trip detection logic*3):
  • A remote start communication error occurs.
  • Response is not possible.
  • Registration has not been performed.
  • CAN communication system
  • Remote engine start ECU*1
  • DCM (telematics transceiver)*2
  • Certification ECU (smart key ECU assembly)
 DTC output confirmation operation: 
  1. A remote start operation is performed.
  1. *1: w/ Genuine Remote Engine Start
  2. *2: for Remote Connect Compatible Type
  3. *3: Only output while a malfunction is present.
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 No. Data List and Active Test
B277A-96 Telematics 
  • Remote Engine Starter Registration Status*
  1. *: for Remote Connect Compatible Type
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