OBD Guide
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B2401

Audio Tape Deck Mechanism Fault

B2401 is an OBD-II diagnostic trouble code meaning: Audio Tape Deck Mechanism Fault. Common causes: jamming of the cassette compartment mechanism, open or shorted wiring harness. Estimated repair cost: $22–111.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–111 (est.)

Symptoms

  • Cassette playback/eject functions do not work
  • Clicking or extraneous noise from the radio
  • The radio does not respond to commands for the cassette compartment

Causes

  • Jamming of the cassette compartment mechanism
  • Open or shorted wiring harness
  • Drive motor malfunction
  • Failure of the gearbox

How to Fix

  1. Visual inspection of the cassette compartment mechanism
  2. Checking the voltage on the drive motor
  3. Diagnostics of the radio wiring harness
  4. Replacement of faulty components or the entire radio if necessary

Related codes

B2400B2402

FAQ

What does the B2401 code mean?

B2401 is an OBD-II diagnostic trouble code that indicates: Audio Tape Deck Mechanism Fault

What causes a B2401 error code?

The most common causes of B2401 include: Jamming of the cassette compartment mechanism; Open or shorted wiring harness; Drive motor malfunction; Failure of the gearbox.

How do I fix a B2401 diagnostic trouble code?

To fix B2401: Visual inspection of the cassette compartment mechanism. Checking the voltage on the drive motor. Diagnostics of the radio wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2401?

Do not drive — repair immediately

How much does it cost to fix B2401?

The estimated repair cost for B2401 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat