P2D3A
Forced Hybrid/EV System Shutdown
The hybrid control module has forced a complete system shutdown. Triggered by critical fault such as multiple isolation warnings or contactor failure.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Multiple isolation faults trigger shutdownCommon
- Contactor failure forces shutdownPossible
Parts involved
- Hybrid Control Module
- Bms
- Main Contactors
P2D3A 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.