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DTC B2284 Brake Signal Malfunction: Description

This DTC is output when: 1) the brake signal circuit between the power source control ECU and the stop light switch is malfunctioning; and 2) the BEAN information is inconsistent.

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B2284 Communication or communication line is abnormal between power source control ECU and stop light switch
  • Power source control ECU
  • Stop light switch
  • Lighting system
  • Wire harness
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