OBD Guide
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B13F5

Backup Microphone General Electrical Failure

B13F5 is an OBD-II diagnostic trouble code meaning: Backup Microphone General Electrical Failure. Estimated repair cost: $33–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Voice control system not working
  • Sound quality problems when using hands-free
  • Error message on display

How to Fix

  1. Check the integrity of the microphone wiring harness
  2. Inspect and clean the microphone connector contacts
  3. Test the microphone using diagnostic equipment
  4. If necessary, replace the backup microphone
  5. Check the operation of the audio control module

Related codes

B13F4B13F6U0140

FAQ

What does the B13F5 code mean?

B13F5 is an OBD-II diagnostic trouble code that indicates: Backup Microphone General Electrical Failure

How do I fix a B13F5 diagnostic trouble code?

To fix B13F5: Check the integrity of the microphone wiring harness. Inspect and clean the microphone connector contacts. Test the microphone using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B13F5?

Yes, but get it checked soon

How much does it cost to fix B13F5?

The estimated repair cost for B13F5 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat