These DTCs are stored when the CAN communication system is malfunctioning.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U012987 | Lost Communication With Brake System Control Module Missing Message | The vehicle approaching speaker controller does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more. | ·
CAN communication system ·
Skid control ECU (brake actuator assembly) |
| U014087 | Lost Communication with Body Control Module Missing Message | The vehicle approaching speaker controller does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more. | ·
CAN communication system ·
Main body ECU (multiplex network body ECU) |
| U029387 | Lost Communication with Hybrid/EV Powertrain Control Module Missing Message | The vehicle approaching speaker controller does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more. | ·
CAN communication system ·
Hybrid vehicle control ECU |
Check for DTCs.
When DTCs indicating a CAN communication system malfunction are output, perform troubleshooting for the CAN communication system before the acoustic vehicle alerting system.
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