DTC U0156-00: Communication Error With Connectivity Master Unit (CMU) [Body Control Module (BCM) (Us)]: Outline

DTC U0156:00 - BODY CONTROL MODULE (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

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