All codes/B012A

B012A

DC/AC Converter A High Voltage Power Outlet \"D\" Circuit/Open

Moderate severity

Open circuit on the high-voltage power outlet "D" of DC/AC converter A.

Open circuit on the high-voltage power outlet "D" of DC/AC converter A.

Common causes

  • Outlet wiring open

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $220-2200

  • Pin pushed back out of connector body

    Less common, but worth ruling out after the more likely causes.

    low

    Typical part cost: $220-2200

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does B012A mean?

B012A means "DC/AC Converter A High Voltage Power Outlet \"D\" Circuit/Open". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B012A?

outlet wiring open; pin pushed back out of connector body; cracked solder joint inside the module or sensor — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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