OBD Guide

B1025

Left Front Door Audio Output 1 Circuit

B1025 is an OBD-II diagnostic trouble code meaning: Left Front Door Audio Output 1 Circuit. Common causes: broken or damaged wiring harness, speaker malfunction. Estimated repair cost: $22–111.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • No sound from left front door
  • Sound distortion
  • Intermittent sound loss

Causes

  • Broken or damaged wiring harness
  • Speaker malfunction
  • Contact corrosion
  • Problems with the audio system (head unit)

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the condition of the speaker contacts
  3. Check the speaker operation (replace if necessary)
  4. Check the operation of the head unit

Related codes

FAQ

What does the B1025 code mean?

B1025 is an OBD-II diagnostic trouble code that indicates: Left Front Door Audio Output 1 Circuit

What causes a B1025 error code?

The most common causes of B1025 include: Broken or damaged wiring harness; Speaker malfunction; Contact corrosion; Problems with the audio system (head unit).

How do I fix a B1025 diagnostic trouble code?

To fix B1025: Check the integrity of the wiring harness. Check the condition of the speaker contacts. Check the speaker operation (replace if necessary). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1025?

Yes, but get it checked soon

How much does it cost to fix B1025?

The estimated repair cost for B1025 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat