DTC B2002-87: Communication Error With Electrical Supply Unit (ESU) (BCM): Outline

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DTC B2002:87 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with electrical supply unit (ESU)
Detection condition	The body control module (BCM) cannot receive the signals from the electrical supply unit (ESU).
Fail-safe	Not applicable
Possible cause	Electrical supply unit (ESU) connector or terminal malfunction Body control module (BCM) connector or terminal malfunction Short to ground in electrical supply unit (ESU) LIN communication line Open circuit in electrical supply unit (ESU) LIN communication line Electrical supply unit (ESU) malfunction Body control module (BCM) malfunction
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