B3A29
Active Aerodynamic Feature Control Module B Power Mode Circuit Low Voltage
B3A29 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature Control Module B Power Mode Circuit Low Voltage. Common causes: poor contact in module connectors, wiring harness damage. Estimated repair cost: $56–167.
Symptoms
- Inoperative active aerodynamics elements
- Warning message on dashboard
- Reduced aerodynamic efficiency
Causes
- Poor contact in module connectors
- Wiring harness damage
- Control module malfunction
- Fuse or relay problems
How to Fix
- Check fuses and relays associated with the module
- Inspect the wiring harness for damage
- Check module connectors for oxidation or poor contact
- Test the control module for faults
- Replace module if necessary
Related codes
Error B3A29 by Vehicle Brand
FAQ
What does the B3A29 code mean?
B3A29 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature Control Module B Power Mode Circuit Low Voltage
What causes a B3A29 error code?
The most common causes of B3A29 include: Poor contact in module connectors; Wiring harness damage; Control module malfunction; Fuse or relay problems.
How do I fix a B3A29 diagnostic trouble code?
To fix B3A29: Check fuses and relays associated with the module. Inspect the wiring harness for damage. Check module connectors for oxidation or poor contact. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3A29?
Limited driving only, diagnose soon
How much does it cost to fix B3A29?
The estimated repair cost for B3A29 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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