DTC U3002-29: Invalid Data Received From Body Control Module (BCM) [MAZDA Emergency Assistance Control Module]: Outline

DTC U3002:29 (MAZDA EMERGENCY ASSISTANCE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Invalid data received from body control module (BCM)
Detection condition	The Mazda EMERGENCY ASSISTANCE control module cannot receive the configuration data (VIN) from body control module (BCM) for a continuous 2 times.
Fail-safe	Inhibits the emergency call.
Possible cause	DTCs are stored in the body control module (BCM). Inappropriate Mazda EMERGENCY ASSISTANCE control module replacement procedure Body control module (BCM) configuration data write error Malfunction in CAN bus communication line Mazda EMERGENCY ASSISTANCE control module malfunction Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable