OBD Guide
ENFRDEESPT

B1A05

Speaker 5 General Electric Failure

B1A05 is an OBD-II diagnostic trouble code meaning: Speaker 5 General Electric Failure. Common causes: broken wire in the harness, poor contact in speaker connector. Estimated repair cost: $22–111.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • No sound from speaker #5
  • Sound distortion
  • Intermittent sound loss

Causes

  • Broken wire in the harness
  • Poor contact in speaker connector
  • Speaker malfunction
  • Problems with the audio amplifier
  • Malfunction of the audio control unit

How to Fix

  1. Check the integrity of the wires to speaker No. 5
  2. Check the contacts in the speaker and amplifier connectors
  3. Check speaker impedance (must be within specification)
  4. Replace the speaker if necessary
  5. Check the operation of the audio system amplifier

Related codes

B1A04B1A06

FAQ

What does the B1A05 code mean?

B1A05 is an OBD-II diagnostic trouble code that indicates: Speaker 5 General Electric Failure

What causes a B1A05 error code?

The most common causes of B1A05 include: Broken wire in the harness; Poor contact in speaker connector; Speaker malfunction; Problems with the audio amplifier.

How do I fix a B1A05 diagnostic trouble code?

To fix B1A05: Check the integrity of the wires to speaker No. 5. Check the contacts in the speaker and amplifier connectors. Check speaker impedance (must be within specification). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1A05?

Limited driving only, diagnose soon

How much does it cost to fix B1A05?

The estimated repair cost for B1A05 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat