DSD Information System
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DTC B228B-00: Battery Circuit or Ground Circuit Energization Malfunction [11/2023 - ]: Description

This DTC is stored when there is a malfunction in the certification ECU (smart key ECU assembly) auxiliary battery power supply circuit or ground circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B228B-00 Battery Circuit or Ground Circuit Energization Malfunction A malfunction is detected in the certification ECU (smart key ECU assembly) auxiliary battery power supply circuit or ground circuit. (1-trip detection logic*)
  • AM2 fuse
  • Wire harness or connector
DTC Output Confirmation Operation: 
  1. Drive the vehicle.
  1. *: Only detected while a malfunction is present.
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED

Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
The engine stopped while driving. -
RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC No. Data List and Active Test
B228B-00 -