B0104
Sensor Cleaning Air Blower Actuator A Control Relay
B0104 is an OBD-II diagnostic trouble code meaning: Sensor Cleaning Air Blower Actuator A Control Relay. Common causes: faulty control relay, open or short circuit in wiring harness. Estimated repair cost: $22–56.
Symptoms
- Incorrect operation of the climate control system
- Reduced air purification efficiency
- Error on the dashboard
Causes
- Faulty control relay
- Open or short circuit in wiring harness
- Problems with the actuator
- Control unit malfunction
How to Fix
- Check the control relay for sticking or damage.
- Check the wiring harness for breaks and short circuits
- Check the actuator for operability
- Check the control unit for errors
Related codes
Error B0104 by Vehicle Brand
FAQ
What does the B0104 code mean?
B0104 is an OBD-II diagnostic trouble code that indicates: Sensor Cleaning Air Blower Actuator A Control Relay
What causes a B0104 error code?
The most common causes of B0104 include: Faulty control relay; Open or short circuit in wiring harness; Problems with the actuator; Control unit malfunction.
How do I fix a B0104 diagnostic trouble code?
To fix B0104: Check the control relay for sticking or damage.. Check the wiring harness for breaks and short circuits. Check the actuator for operability. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0104?
Limited driving only, diagnose soon
How much does it cost to fix B0104?
The estimated repair cost for B0104 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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