B146F
Channel 4 Audio Speaker Output Circuit Performance
B146F is an OBD-II diagnostic trouble code meaning: Channel 4 Audio Speaker Output Circuit Performance. Common causes: break in the wiring harness, short circuit. Estimated repair cost: $6–56.
Symptoms
- No sound
- Distorted sound
- Intermittent sound
- Rattle in the dynamics
- Dashboard warning
Causes
- Break in the wiring harness
- Short circuit
- Faulty speaker
- Problems with the audio system control module
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness
- Diagnose the speaker
- Check control module
- Eliminate contact corrosion
- Replace damaged components
Related codes
FAQ
What does the B146F code mean?
B146F is an OBD-II diagnostic trouble code that indicates: Channel 4 Audio Speaker Output Circuit Performance
What causes a B146F error code?
The most common causes of B146F include: Break in the wiring harness; Short circuit; Faulty speaker; Problems with the audio system control module.
How do I fix a B146F diagnostic trouble code?
To fix B146F: Check the integrity of the wiring harness. Diagnose the speaker. Check control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B146F?
Do not drive — repair immediately
How much does it cost to fix B146F?
The estimated repair cost for B146F is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat