OBD Guide
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B124F

Universal Serial Bus Programming

B124F is an OBD-II diagnostic trouble code meaning: Universal Serial Bus Programming. Common causes: damaged usb wiring harness, failed software update. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • USB port doesn't work
  • Software update errors
  • Malfunctions of the multimedia system

Causes

  • Damaged USB wiring harness
  • Failed software update
  • USB port problem
  • Problems with the multimedia system software

How to Fix

  1. Check the integrity of the USB wiring harness
  2. Check USB port connections
  3. Try to reflash the multimedia system
  4. Replace the USB port if necessary

Related codes

U0100U0140B1325

FAQ

What does the B124F code mean?

B124F is an OBD-II diagnostic trouble code that indicates: Universal Serial Bus Programming

What causes a B124F error code?

The most common causes of B124F include: Damaged USB wiring harness; Failed software update; USB port problem; Problems with the multimedia system software.

How do I fix a B124F diagnostic trouble code?

To fix B124F: Check the integrity of the USB wiring harness. Check USB port connections. Try to reflash the multimedia system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B124F?

Yes, but get it checked soon

How much does it cost to fix B124F?

The estimated repair cost for B124F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat