DTC U007A:88 [GATEWAY UNIT (GWU) (TYPE-B)]

id0902zc791400

Outline

System malfunction location

Module communication error (between gateway unit (GWU) and telematics communication unit)

Detection condition

• The gateway unit (GWU) detects a CAN BUS communication line (between gateway unit (GWU) and telematics communication unit) malfunction for 1 s or more.

Fail-safe

Not applicable

Possible cause

• Malfunction in CAN bus communication line (between gateway unit (GWU) and telematics communication unit)

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Module communication error (between gateway unit (GWU) and telematics communication unit)
Detection condition	• The gateway unit (GWU) detects a CAN BUS communication line (between gateway unit (GWU) and telematics communication unit) malfunction for 1 s or more.
Fail-safe	Not applicable
Possible cause	• Malfunction in CAN bus communication line (between gateway unit (GWU) and telematics communication unit)
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 [TYPE-B (L.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (R.H.D.)].)