B3A4E
Active Aerodynamic Feature C Position Sensor 1 Circuit High Voltage
B3A4E is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature C Position Sensor 1 Circuit High Voltage. Common causes: position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of active aerodynamics
- Malfunction indicator light comes on
- Reduced aerodynamic efficiency at high speeds
Causes
- Position sensor malfunction
- Open or short circuit in wiring harness
- Problems with the active aerodynamics control module
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness and contacts
- Test the position sensor to ensure it meets specifications
- Check the control module for errors
- Replace faulty components
Related codes
Error B3A4E by Vehicle Brand
FAQ
What does the B3A4E code mean?
B3A4E is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature C Position Sensor 1 Circuit High Voltage
What causes a B3A4E error code?
The most common causes of B3A4E include: Position sensor malfunction; Open or short circuit in wiring harness; Problems with the active aerodynamics control module; Contact corrosion.
How do I fix a B3A4E diagnostic trouble code?
To fix B3A4E: Check the integrity of the wiring harness and contacts. Test the position sensor to ensure it meets specifications. Check the control module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3A4E?
Limited driving only, diagnose soon
How much does it cost to fix B3A4E?
The estimated repair cost for B3A4E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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