OBD Guide
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B2913

Audio Subwoofer Not Connected

B2913 is an OBD-II diagnostic trouble code meaning: Audio Subwoofer Not Connected. Common causes: broken wires to the subwoofer, poor contact in the connector. Estimated repair cost: $22–167.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–167 (est.)

Symptoms

  • Lack of bass in the audio system
  • Warning on display
  • Disabling the subwoofer

Causes

  • Broken wires to the subwoofer
  • Poor contact in the connector
  • Subwoofer malfunction
  • Amplifier problems

How to Fix

  1. Check subwoofer connection
  2. Inspect the wiring harness for damage
  3. Check subwoofer power supply
  4. Test the subwoofer on another car

Related codes

B2912B2914U0140

FAQ

What does the B2913 code mean?

B2913 is an OBD-II diagnostic trouble code that indicates: Audio Subwoofer Not Connected

What causes a B2913 error code?

The most common causes of B2913 include: Broken wires to the subwoofer; Poor contact in the connector; Subwoofer malfunction; Amplifier problems.

How do I fix a B2913 diagnostic trouble code?

To fix B2913: Check subwoofer connection. Inspect the wiring harness for damage. Check subwoofer power supply. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2913?

Do not drive — repair immediately

How much does it cost to fix B2913?

The estimated repair cost for B2913 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat