Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there is a problem with the part of the car that helps clean a sensor using air. It's like when a fan that blows air to clean something stops working.
The B0105 code indicates an issue with the relay that controls the air blower used for cleaning a specific sensor in the vehicle.
The B0105 code is triggered when the control relay for the Sensor Cleaning Air Blower Actuator B fails to operate as expected. This relay is responsible for activating the air blower that cleans certain sensors, ensuring they function correctly.
• Check engine light on
• Sensor malfunction
• Reduced sensor performance
• Faulty relay
• Blown fuse
• Wiring issues
Relay: An electrical switch that opens and closes under the control of another electrical circuit.
Actuator: A component responsible for moving or controlling a mechanism or system.
• Check the fuse related to the blower actuator.
• Inspect the relay for proper operation.
• Examine wiring and connections for damage or corrosion.
• Replace the faulty relay.
• Repair or replace damaged wiring.
• Replace blown fuses.
• Multimeter
• Relay tester
• Socket set
$50 - $150
Moderate
• Toyota Camry
• Honda Accord
• Ford F-150
• Regular maintenance checks
• Ensure wiring is secure and undamaged
• Replace relays at recommended intervals
Sensor Issue
• Have a professional mechanic check the car.
• Avoid ignoring the check engine light.
Check with your vehicle's manufacturer for specific warranty coverage on electrical components.
This code has been reported in vehicles with aging electrical systems or after exposure to moisture.
Moderate – Addressing this issue promptly can prevent further sensor-related problems.
Driving with malfunctioning sensors can affect vehicle performance and safety. Address this issue as soon as possible.
• Vehicle ignition on
• Blower actuator engaged
The relay is typically located in the vehicle's fuse box, which can be found under the dashboard or in the engine compartment.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to sensor malfunctions, affecting vehicle performance and potentially causing safety issues.
Q: Can I drive with this code?
A: While you may still drive the vehicle, it is advisable to fix the issue to ensure optimal sensor performance and vehicle safety.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
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Useful for electrical diagnosis when blown fuses or circuit faults are part of the troubleshooting process.
Useful when body electrical faults trace back to blown fuses or shared circuits.
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