Engine Sound Control A Circuit / Open
The active engine sound generator A (Active Sound Design or AVAS — Acoustic Vehicle Alerting System for EV/hybrid) cannot be driven. EV pedestrian warning sound or sport-mode engine sound is missing.
Affected components
- Sound amplifier
- Speaker
- Wiring harness
Common causes
- High likelihood: Open output stage in the sound amplifier
- Medium likelihood: Broken control wire to amplifier
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.