DTC U2133-00: Communication Error With Climate Control Unit (VCM): Outline

DTC U2133:00 (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with climate control unit
Detection condition	The vehicle control module (VCM) cannot receive CAN signal from climate control unit for 10 s.
Fail-safe	(See DTC TABLE (VCM (US)) .)
Possible cause	Malfunction in CAN communication line between vehicle control module (VCM) and climate control unit Climate control unit malfunction Vehicle control module (VCM) malfunction (built into body control module (BCM)) Body control module (BCM) malfunction
System wiring diagram	Not applicable