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) for 5 s or more.
Fail-safe
•  Cancel the i-stop control.
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.)