OBD-II code · Powertrain (generic)
P0ADE Hybrid/EV Battery Negative Contactor Control Circuit Range/Performance
The control circuit of the HV battery negative contactor reports a control circuit range/performance condition. HV main switching cannot be commanded reliably.
Is it safe to drive with P0ADE?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCoil resistance drifted
- PossibleHigh-resistance contact
- Less likelySensor element aged beyond calibration window
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
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Hv Battery Neg Contactor, Wiring Harness, Bms
Related codes
- P0ADBHybrid/EV Battery Positive Contactor Control Circuit Low
- P0ADCHybrid/EV Battery Positive Contactor Control Circuit High
- P0ADDHybrid/EV Battery Negative Contactor Control Circuit/Open
- P0ADFHybrid/EV Battery Negative Contactor Control Circuit Low
- P0AE0Hybrid/EV Battery Negative Contactor Control Circuit High
- P0AE1Hybrid/EV Battery Precharge Contactor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.