B3A25 — Active Aerodynamic Feature Control Module A Power Mode Circuit Low Voltage

What Does B3A25 Mean?

B3A25 is a diagnostic trouble code indicating: Active Aerodynamic Feature Control Module A Power Mode Circuit Low Voltage. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of B3A25

⚠️ Check Engine Light (MIL) illuminated
⚠️ Active Aerodynamic Feature Control Module A Power Mode reading at zero or minimum value
⚠️ Related system not functioning or in fail-safe mode
⚠️ System warning light illuminated

Common Causes

🔍 Open or broken wire in Active Aerodynamic Feature Control Module A Power Mode circuit
🔍 Poor ground connection at Active Aerodynamic Feature Control Module A Power Mode
🔍 Faulty Active Aerodynamic Feature Control Module A Power Mode with no output signal
🔍 Disconnected or loose Active Aerodynamic Feature Control Module A Power Mode connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does B3A25 mean?

B3A25 indicates: Active Aerodynamic Feature Control Module A Power Mode Circuit Low Voltage. The vehicle's computer has detected that the Active Aerodynamic Feature Control Module A Power Mode is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code B3A25?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with B3A25 for extended periods may cause additional problems.

How much does it cost to fix B3A25?

Repair costs for B3A25 typically range from $20 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Repair broken wire or restore ground in Active Aerodynamic Feature Control Module A Power Mode circuit
🔧 Clean and secure Active Aerodynamic Feature Control Module A Power Mode connector and ground points
🔧 Replace failed Active Aerodynamic Feature Control Module A Power Mode

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

B3A25: Active Aerodynamic Feature Control Module A Power Mode Circuit Low Voltage