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DTC B278C: Lost Communication with Power Source Control [08/2014 - ]: Description

This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more.

DTC No. DTC Detection Condition Trouble Area
B278C No communication between the certification ECU (smart key ECU assembly) and power management control ECU for 10 seconds or more.
  • Power management control ECU
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector
  • AM2 fuse
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