DTC U2131-00: Communication Error With Electrical Supply Unit (ESU) [Body Control Module (BCM)]: Outline

DTC U2131:00 - BODY CONTROL MODULE (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 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