B012C: DC/AC Converter A High Voltage Power Outlet Control Module “A”
Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What Does B012C Mean?
B012C is a diagnostic trouble code indicating: DC/AC Converter A High Voltage Power Outlet Control Module “A”. This code relates to the body electrical system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Symptoms of B012C
- ⚠️ Check Engine Light (MIL) illuminated
- ⚠️ DC/AC Converter A High Voltage Power Outlet Control Module “A” not functioning as expected
- ⚠️ Related system may be in fail-safe mode
- ⚠️ Interior or exterior lighting malfunction
Common Causes
- 🔍 Faulty DC/AC Converter A High Voltage Power Outlet Control Module “A”
- 🔍 Wiring or connector issue in DC/AC Converter A High Voltage Power Outlet Control Module “A” circuit
- 🔍 Related mechanical or electrical fault
- 🔍 ECM/PCM issue (rare)
Frequently Asked Questions
What does B012C mean?
Can I drive with code B012C?
How much does it cost to fix B012C?
What To Do Next
Possible Fixes
- 🔧 Inspect DC/AC Converter A High Voltage Power Outlet Control Module “A” and related wiring
- 🔧 Replace faulty DC/AC Converter A High Voltage Power Outlet Control Module “A”
-
1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
-
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
-
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.