P26EC
Engine Sound Control B Circuit / Open
The second active sound generator (B) cannot be driven.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Open output stage in the sound amplifierCommon
- Broken control wire to amplifierPossible
Parts involved
- Sound Amplifier B
- Speaker
- Wiring Harness
P26EC 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.