P26EF
Engine Sound Control B Circuit Performance
The sound generator B circuit responds but the resulting acoustic feedback is not as expected.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Speaker cone damaged or coil shortedCommon
- Feedback microphone driftsPossible
Parts involved
- Sound Amplifier B
- Speaker
- Feedback Microphone
P26EF is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.