DTC U016B:00 [BODY CONTROL MODULE (BCM)]

id0902r7785000

Outline

System malfunction location

Communication error with heat pump control unit

Detection condition

• The body control module (BCM) cannot receive CAN signal from the heat pump control unit for 5 s or more.

Fail-safe

Not applicable

Possible cause

• Malfunction in CAN communication line between heat pump control unit and body control module (BCM)

System wiring diagram

Not applicable

System malfunction location	Communication error with heat pump control unit
Detection condition	• The body control module (BCM) cannot receive CAN signal from the heat pump control unit for 5 s or more.
Fail-safe	Not applicable
Possible cause	• Malfunction in CAN communication line between heat pump control unit 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 [L.H.D. (E)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [R.H.D.].)