Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with a sensor that helps control parts of the car that change shape to make it go faster or use less fuel. The sensor is getting too much electricity.
The code B3A44 indicates an issue with the voltage level in the circuit of the position sensor for an active aerodynamic feature. The sensor is reporting a higher voltage than expected, which could indicate a wiring issue or a faulty sensor.
Active aerodynamic features are components that adjust their position to improve vehicle performance and efficiency. The position sensor monitors the location of these components. A 'Circuit High Voltage' error means that the sensor is receiving a voltage above its normal operating range, which can be due to a short circuit, faulty wiring, or a malfunctioning sensor.
• Warning light on the dashboard
• Reduced aerodynamic efficiency
• Possible decrease in fuel efficiency
• Faulty position sensor
• Short circuit in the wiring
• Corroded or damaged connectors
Aerodynamic: Relating to the shape of objects that move through air.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the position sensor for proper operation.
• Replace the faulty position sensor.
• Repair or replace damaged wiring.
• Clean or replace corroded connectors.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly inspect wiring and connectors.
• Ensure the sensor is kept clean and free of debris.
• Perform routine maintenance checks on aerodynamic systems.
Sensor Issue
• Have a professional inspect the vehicle if you are not familiar with electrical systems.
• Do not ignore the warning light as it could affect vehicle performance.
Check with your vehicle manufacturer for warranty coverage on sensors and electrical components.
This code has been associated with vehicles that have advanced aerodynamic systems, particularly in models with active spoilers or air dams.
Moderate – It should be addressed soon to ensure optimal vehicle performance.
Ignoring this issue may lead to decreased vehicle performance and fuel efficiency, which could indirectly affect safety.
• Vehicle stationary
• Ignition on, engine off
The position sensor is typically located near the active aerodynamic component it monitors, such as a spoiler or air dam.
Q: What happens if I ignore this code?
A: Ignoring this code may result in decreased vehicle performance and fuel efficiency.
Q: Can I fix this issue myself?
A: If you have experience with vehicle electronics, you may attempt to diagnose and repair the issue. Otherwise, it's best to consult a professional.
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