OBD-II code · Powertrain (generic, extended)
P2D3B Hybrid/EV Discharge System Fault
The hybrid control module detects a fault in the active discharge system used to safely drain the DC-link capacitors after shutdown. Discharge resistor or switch may have failed.
Is it safe to drive with P2D3B?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyDischarge resistor open
- PossibleDischarge switch failed
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Discharge Resistor, Discharge Switch, Dc Link Capacitor
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.