P2D73
Battery Charging System Negative Contactor D Control Circuit/Open
The negative contactor D of the battery charging system reports a control circuit/open condition. HV charging path cannot be commanded reliably.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Open in coil control wireCommon
- Open contactor coilPossible
- Pin pushed back out of connector bodyLess likely
Parts involved
- Bcs Neg Contactor D
- Wiring Harness
- Bms
P2D73 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.