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DTC B2287: LIN Communication Master Malfunction; DTC B278C: Lost Communication with Power Source Control: Description

DTC Code DTC Detection Condition Trouble Area
B2287 There is an open or short circuit or an ECU communication malfunction between the power source control ECU and certification ECU (smart key ECU assembly).
  • Certification ECU (smart key ECU assembly)
  • Power source control ECU
  • Harness or connector
B278C No communication between the certification ECU (smart key ECU assembly) and power source control ECU for 10 seconds or more.
  • Certification ECU (smart key ECU assembly)
  • Power source control ECU
  • Harness or connector