P0ADC
Hybrid/EV Battery Positive Contactor Control Circuit High
P0ADC is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Positive Contactor Control Circuit High. Common causes: open or short circuit in the contactor control circuit, battery positive contactor fault. Estimated repair cost: $56–278.
Symptoms
- Check engine light comes on
- Reduced vehicle power
- The car may go into emergency mode
- Problems with charging a high-voltage battery
- Possible error messages on the display
Causes
- Open or short circuit in the contactor control circuit
- Battery positive contactor fault
- Problems with the Battery Management Module (BMS)
- Corrosion or poor contact in connectors
- High voltage relay malfunction
How to Fix
- Check the integrity of the contactor control circuit
- Inspect connectors and connections for corrosion
- Check the functionality of the positive contactor
- Test the battery management module
- If necessary, replace faulty components
Related codes
Error P0ADC by Vehicle Brand
FAQ
What does the P0ADC code mean?
P0ADC is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Positive Contactor Control Circuit High
What causes a P0ADC error code?
The most common causes of P0ADC include: Open or short circuit in the contactor control circuit; Battery positive contactor fault; Problems with the Battery Management Module (BMS); Corrosion or poor contact in connectors.
How do I fix a P0ADC diagnostic trouble code?
To fix P0ADC: Check the integrity of the contactor control circuit. Inspect connectors and connections for corrosion. Check the functionality of the positive contactor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0ADC?
Do not drive — repair immediately
How much does it cost to fix P0ADC?
The estimated repair cost for P0ADC is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat