P226A
Water in Fuel Lamp Control Circuit
A general electrical fault on the drive line for the dashboard water-in-fuel warning lamp.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Lamp drive failedCommon
Parts involved
- Water In Fuel Indicator
P226A 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.