OBD Guide
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B147E

Channel 7 Audio Speaker Output

B147E is an OBD-II diagnostic trouble code meaning: Channel 7 Audio Speaker Output. Common causes: open or shorted speaker wiring harness, speaker malfunction. Estimated repair cost: $11–111.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–111 (est.)

Symptoms

  • No sound from one of the speakers
  • Distorted sound
  • Intermittent sound loss

Causes

  • Open or shorted speaker wiring harness
  • Speaker malfunction
  • Audio amplifier problems
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness to the speaker
  2. Check speaker operation
  3. Diagnose an audio amplifier
  4. Clear contacts

Related codes

B147AB147BB147C

FAQ

What does the B147E code mean?

B147E is an OBD-II diagnostic trouble code that indicates: Channel 7 Audio Speaker Output

What causes a B147E error code?

The most common causes of B147E include: Open or shorted speaker wiring harness; Speaker malfunction; Audio amplifier problems; Oxidation of contacts.

How do I fix a B147E diagnostic trouble code?

To fix B147E: Check the integrity of the wiring harness to the speaker. Check speaker operation. Diagnose an audio amplifier. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B147E?

Yes, but get it checked soon

How much does it cost to fix B147E?

The estimated repair cost for B147E is $11–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat