Active Noise Control System
WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
ACTIVE NOISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1AA0-44 | ANC ECU EEPROM Data Memory Failure |
| B1AA1-87 | UART Communication Between ANC and Audio Amplifier Missing Message |
| B1AA2-96 | Front Left Microphone Circuit Component Internal Failure |
| B1AA3-1C | Front Left Microphone Circuit Circuit Voltage Out of Range |
| B1AA6-96 | Front Right Microphone Circuit Component Internal Failure |
| B1AA7-1C | Front Right Microphone Circuit Circuit Voltage Out of Range |
| B1AAA-96 | Rear Center Microphone Circuit Component Internal Failure |
| B1AAB-1C | Rear Center Microphone Circuit Circuit Voltage Out of Range |
| P0335-31 | Crankshaft Position Sensor "A" No Signal |
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message |
| U0129-87 | Lost Communication With Brake System Control Module Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |