B3A37
Active Aerodynamic Feature A Actuator Temperature Too High
B3A37 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature A Actuator Temperature Too High. Common causes: actuator overload, problems in the wiring harness (short circuit, open circuit). Estimated repair cost: $22–167.
Symptoms
- Error message on the dashboard
- Reduced efficiency of active aerodynamics
- Possible problems with engine cooling at high speeds
Causes
- Actuator overload
- Problems in the wiring harness (short circuit, open circuit)
- Malfunction of the active aerodynamics control unit
- Contamination or mechanical obstructions in the system
How to Fix
- Check wiring harness and connectors for damage
- Measure resistance and voltage on the actuator
- Test the system operation using a diagnostic scanner
- If necessary, replace the actuator or control unit
Related codes
Error B3A37 by Vehicle Brand
FAQ
What does the B3A37 code mean?
B3A37 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature A Actuator Temperature Too High
What causes a B3A37 error code?
The most common causes of B3A37 include: Actuator overload; Problems in the wiring harness (short circuit, open circuit); Malfunction of the active aerodynamics control unit; Contamination or mechanical obstructions in the system.
How do I fix a B3A37 diagnostic trouble code?
To fix B3A37: Check wiring harness and connectors for damage. Measure resistance and voltage on the actuator. Test the system operation using a diagnostic scanner. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3A37?
Limited driving only, diagnose soon
How much does it cost to fix B3A37?
The estimated repair cost for B3A37 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat