DTC U0140:00 [EMERGENCY CALL UNIT (E)]

id0902sc126600

Outline

System malfunction location

Communication error with body control module (BCM)

Detection condition

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

Fail-safe

Not applicable

Possible cause

•  Malfunction in CAN communication line between the body control module (BCM) and emergency call unit

•  Emergency call unit malfunction

•  Body control module (BCM) malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Communication error with body control module (BCM)
Detection condition	• The emergency call unit cannot receive a CAN signal from the body control module (BCM) for 5 s or more.
Fail-safe	Not applicable
Possible cause	• Malfunction in CAN communication line between the body control module (BCM) and emergency call unit • Emergency call unit malfunction • Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector 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.].)