P2DBA
Battery Charging System B High Voltage Interlock Circuit High
The high-voltage interlock circuit of battery charging system B reports a circuit high condition. Safety interlock chain may be compromised.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Interlock signal interruptedCommon
- Interlock connector not seatedPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Bcs B Hv Interlock
- Wiring Harness
- Bms
P2DBA 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.