P0B36
High Voltage Service Disconnect Circuit High
The high-voltage service disconnect circuit reports a circuit high condition. Safe HV disconnection state cannot be verified.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Wire shorted to B+Common
- Switch openPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Hv Service Disconnect Switch
- Wiring Harness
- Bms
P0B36 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.