B0127
DC/AC Converter A High Voltage Power Outlet A Circuit/Open
B0127 is an OBD-II diagnostic trouble code meaning: DC/AC Converter A High Voltage Power Outlet A Circuit/Open. Common causes: open circuit in the output circuit wiring harness, short circuit in high voltage circuit. Estimated repair cost: $56–167.
Symptoms
- Lack of power in the 220V outlet
- Dashboard warning light
- The converter does not turn on
- Activation of vehicle protective systems
Causes
- Open circuit in the output circuit wiring harness
- Short circuit in high voltage circuit
- DC/AC converter malfunction
- Damaged output connector A
- Contact corrosion
- Circuit Grounding Problems
How to Fix
- Visually inspect the wiring harness and connectors for damage
- Checking the voltage at the output of the converter with a multimeter
- Diagnosis of resistance in a high voltage circuit
- Checking Ground Continuity
- Replacing damaged circuit components
- Reset error codes and recheck
Related codes
Error B0127 by Vehicle Brand
FAQ
What does the B0127 code mean?
B0127 is an OBD-II diagnostic trouble code that indicates: DC/AC Converter A High Voltage Power Outlet A Circuit/Open
What causes a B0127 error code?
The most common causes of B0127 include: Open circuit in the output circuit wiring harness; Short circuit in high voltage circuit; DC/AC converter malfunction; Damaged output connector A.
How do I fix a B0127 diagnostic trouble code?
To fix B0127: Visually inspect the wiring harness and connectors for damage. Checking the voltage at the output of the converter with a multimeter. Diagnosis of resistance in a high voltage circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0127?
Yes, but get it checked soon
How much does it cost to fix B0127?
The estimated repair cost for B0127 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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