B3A49
Active Aerodynamic Feature C Actuator Position Sensor Not Learned
B3A49 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature C Actuator Position Sensor Not Learned. Common causes: position sensor malfunction, problems in the electrical circuit (open, short circuit). Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the active aerodynamic element
- Check Engine light comes on
- Reduced aerodynamic efficiency at high speeds
Causes
- Position sensor malfunction
- Problems in the electrical circuit (open, short circuit)
- Mechanical damage to the aerodynamic element
- The need to retrain the sensor
How to Fix
- Check the integrity of the sensor electrical circuit
- Check the mechanical condition of the aerodynamic element
- Retrain the sensor using diagnostic equipment
- If necessary, replace the sensor or aerodynamic element
Related codes
Error B3A49 by Vehicle Brand
FAQ
What does the B3A49 code mean?
B3A49 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature C Actuator Position Sensor Not Learned
What causes a B3A49 error code?
The most common causes of B3A49 include: Position sensor malfunction; Problems in the electrical circuit (open, short circuit); Mechanical damage to the aerodynamic element; The need to retrain the sensor.
How do I fix a B3A49 diagnostic trouble code?
To fix B3A49: Check the integrity of the sensor electrical circuit. Check the mechanical condition of the aerodynamic element. Retrain the sensor using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3A49?
Limited driving only, diagnose soon
How much does it cost to fix B3A49?
The estimated repair cost for B3A49 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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