B3A46
Active Aerodynamic Feature B Position Sensor 2 Circuit High Voltage
B3A46 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature B Position Sensor 2 Circuit High Voltage. Common causes: short circuit in wiring harness, position sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Resource management error message on dashboard
- Incorrect operation of active aerodynamic elements (the spoiler does not extend)
- The system can be forced to shutdown
Causes
- Short circuit in wiring harness
- Position sensor malfunction
- Problems with the active aerodynamics control module
- Oxidized contacts in connectors
How to Fix
- Check the voltage in the sensor circuit (should not exceed 5V)
- Inspect the wiring harness for damage
- Check the resistance of the position sensor
- Clean connector contacts
- If necessary, replace the sensor or repair the harness
Related codes
Error B3A46 by Vehicle Brand
FAQ
What does the B3A46 code mean?
B3A46 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature B Position Sensor 2 Circuit High Voltage
What causes a B3A46 error code?
The most common causes of B3A46 include: Short circuit in wiring harness; Position sensor malfunction; Problems with the active aerodynamics control module; Oxidized contacts in connectors.
How do I fix a B3A46 diagnostic trouble code?
To fix B3A46: Check the voltage in the sensor circuit (should not exceed 5V). Inspect the wiring harness for damage. Check the resistance of the position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3A46?
Yes, but get it checked soon
How much does it cost to fix B3A46?
The estimated repair cost for B3A46 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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