OBD Guide
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B2385

Audio Navigation Mute Input Check Failure

B2385 is an OBD-II diagnostic trouble code meaning: Audio Navigation Mute Input Check Failure. Common causes: open or short circuit in wiring harness, mute button malfunction. Estimated repair cost: $56–167.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Audio navigation audio mute does not work
  • Audio system malfunctions
  • Check Engine light comes on

Causes

  • Open or short circuit in wiring harness
  • Mute button malfunction
  • Problems with the audio control unit
  • Poor contact in connectors

How to Fix

  1. Check wiring harness for damage
  2. Check the mute button for functionality
  3. Check connectors and contacts for oxidation or damage
  4. Scan the audio control module for other errors
  5. If necessary, replace faulty components

Related codes

B2384B2386U0100

FAQ

What does the B2385 code mean?

B2385 is an OBD-II diagnostic trouble code that indicates: Audio Navigation Mute Input Check Failure

What causes a B2385 error code?

The most common causes of B2385 include: Open or short circuit in wiring harness; Mute button malfunction; Problems with the audio control unit; Poor contact in connectors.

How do I fix a B2385 diagnostic trouble code?

To fix B2385: Check wiring harness for damage. Check the mute button for functionality. Check connectors and contacts for oxidation or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2385?

Limited driving only, diagnose soon

How much does it cost to fix B2385?

The estimated repair cost for B2385 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat