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DTC U2131:00 [BODY CONTROL MODULE (BCM)]

id0902r7098300

Outline

System malfunction location

Communication error with electrical supply unit (ESU)

Detection condition

• The body control module (BCM) cannot receive CAN signal from the electrical supply unit (ESU).

Fail-safe

Not applicable

Possible cause

• Malfunction in CAN communication line between electrical supply unit (ESU) and body control module (BCM)

System wiring diagram

Not applicable

System malfunction location	Communication error with electrical supply unit (ESU)
Detection condition	• The body control module (BCM) cannot receive CAN signal from the electrical supply unit (ESU).
Fail-safe	Not applicable
Possible cause	• Malfunction in CAN communication line between electrical supply unit (ESU) and body control module (BCM)
System wiring diagram	Not applicable

Diagnostic Procedure

• Perform an inspection in accordance with the multiplex communication system diagnostic procedure. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)