OBD-II code · Powertrain (generic)
P0D37 Hybrid/EV Battery System Current High
The HV battery system current exceeds the safe upper limit. Sustained overcurrent or sensor drift.
Is it safe to drive with P0D37?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyLoad overload
- PossibleSensor offset drifted high
- Less likelyPack cell imbalance approaching service threshold
Symptoms
- EV/hybrid system warning light on
- Reduced power output or limp mode
- Charging may fail or be slowed
- Reduced electric range
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–10 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery System Current Sensor, Bms
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.