P0D12
Battery Charging System Negative Contactor A Control Circuit Range/Performance
P0D12 is an OBD-II diagnostic trouble code meaning: Battery Charging System Negative Contactor A Control Circuit Range/Performance. Common causes: negative contactor fault, problems with wiring or connections in the control circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced battery charging efficiency
- Problems starting the engine
- Hybrid system power reduction
- Errors in the operation of the high voltage system
Causes
- Negative contactor fault
- Problems with wiring or connections in the control circuit
- Power electronics control module malfunction
- Corrosion or oxidation of contacts
- Problems with the control unit software
How to Fix
- Check the condition of the contactor and its connections
- Check the integrity of the control circuit
- Test contactor resistance
- Check the operation of the control module
- Update the control unit software if necessary
Related codes
Error P0D12 by Vehicle Brand
FAQ
What does the P0D12 code mean?
P0D12 is an OBD-II diagnostic trouble code that indicates: Battery Charging System Negative Contactor A Control Circuit Range/Performance
What causes a P0D12 error code?
The most common causes of P0D12 include: Negative contactor fault; Problems with wiring or connections in the control circuit; Power electronics control module malfunction; Corrosion or oxidation of contacts.
How do I fix a P0D12 diagnostic trouble code?
To fix P0D12: Check the condition of the contactor and its connections. Check the integrity of the control circuit. Test contactor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0D12?
Limited driving only, diagnose soon
How much does it cost to fix P0D12?
The estimated repair cost for P0D12 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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