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DTC U0198:00 [BODY CONTROL MODULE (BCM)]

id0902r7096900

Except Chinese specs.

Outline

System malfunction location

Communication error with emergency call unit

Detection condition

• The body control module (BCM) cannot receive CAN signal from the emergency call unit.

Fail-safe

Not applicable

Possible cause

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

System wiring diagram

Not applicable

System malfunction location	Communication error with emergency call unit
Detection condition	• The body control module (BCM) cannot receive CAN signal from the emergency call unit.
Fail-safe	Not applicable
Possible cause	• Malfunction in CAN communication line between emergency call 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 [(E)].)

Chinese specs.

Outline

System malfunction location

Communication error with Mazda EMERGENCY ASSISTANCE control module

Detection condition

• The body control module (BCM) cannot receive CAN signal from the Mazda EMERGENCY ASSISTANCE control module.

Fail-safe

Not applicable

Possible cause

• Malfunction in CAN communication line between Mazda EMERGENCY ASSISTANCE control module and body control module (BCM)

System wiring diagram

Not applicable

System malfunction location	Communication error with Mazda EMERGENCY ASSISTANCE control module
Detection condition	• The body control module (BCM) cannot receive CAN signal from the Mazda EMERGENCY ASSISTANCE control module.
Fail-safe	Not applicable
Possible cause	• Malfunction in CAN communication line between Mazda EMERGENCY ASSISTANCE control module 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 [(E)].)