Engine Sound Control A Circuit Performance
The sound generator A circuit responds to commands but the resulting acoustic feedback is not as expected. Speaker damage or feedback path noise.
Affected components
- Sound amplifier
- Speaker
- Feedback microphone
Common causes
- High likelihood: Speaker cone damaged or coil shorted
- Medium likelihood: Feedback microphone drifts
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.