📖 What Does B0391 Mean?
Symptoms
- • No sound or distorted sound from the speakers
- • inability to adjust volume or settings
- • or intermittent audio system failure.
Common Causes
- • Faulty audio amplifier
- • blown or damaged speakers
- • corroded or damaged wiring
- • or a malfunctioning audio control module.
Possible Solutions
1. Check and repair or replace damaged wiring. 2. Inspect and replace faulty speakers. 3. Test and replace the audio amplifier if necessary. 4. Update or replace the audio control module if faulty.
❓ Common Questions About B0391
Can I drive with code B0391?
You can drive for a short time, but should address code B0391 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix code B0391?
The estimated repair cost for code B0391 is between $100 and $500. This includes parts and labor. Prices may vary based on your vehicle's make and model.
Is code B0391 easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. If you are not an experienced mechanic, professional help is recommended.
Required Parts
Tools
Need a Pro?
Complex codes like B0391 can be tricky. Don't risk it if you're unsure.
Quick Stats
Related Diagnostic Codes
Other codes that may appear with B0391
B0389: Exterior Lighting Malfunction
B0390: Body Control Module (BCM) Security Fault
B0392: Airbag System Sensor Circuit Malfunction
B0393: Climate Control Fan Motor Malfunction
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system