P0E30
High Voltage Fuse C
The high voltage fuse c is open or blown. HV branch C cannot conduct current.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Fuse blown by short circuitCommon
- Downstream short circuitPossible
Parts involved
- Hv Fuse C
P0E30 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.