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DTC U2131:00 [VEHICLE CONTROL MODULE]

id1502c5037300

Outline

System malfunction location

Communication error with electrical supply unit (ESU)

Detection condition

•  The vehicle control module (VCM) cannot receive CAN signal from electrical supply unit (ESU) for 10 s.

Fail-safe

(See DTC TABLE [VEHICLE CONTROL MODULE (E)].)

Possible cause

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

•  Electrical supply unit (ESU) malfunction

•  Vehicle control module (VCM) malfunction (built into body control module (BCM))

•  Body control module (BCM) malfunction

System wiring diagram

Not applicable

System malfunction location	Communication error with electrical supply unit (ESU)
Detection condition	• The vehicle control module (VCM) cannot receive CAN signal from electrical supply unit (ESU) for 10 s.
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (E)].)
Possible cause	• Malfunction in CAN communication line between vehicle control module (VCM) and electrical supply unit (ESU) • Electrical supply unit (ESU) malfunction • Vehicle control module (VCM) malfunction (built into body control module (BCM)) • Body control module (BCM) malfunction
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)].)