Failure Description
| Vehicle Program | VF8/VF9 |
| ECU | VCU |
| DTC Number | P1021-81 |
| DTC Name | Acoustic Vehicle Alerting System (AVAS) Control Module "A" - Invalid Serial Data Received |
| Failure Type Byte | 81 - Invalid Serial Data Received |
| Definition and Potential Cause | This error occurs due to invalid data received in CAN message from Acoustic Vehicle Alerting System (AVAS) Control Module "A". |