OBD Guide
ENFRDEESPT

B125C

Satellite Antenna Circuit

B125C is an OBD-II diagnostic trouble code meaning: Satellite Antenna Circuit. Common causes: broken wires in the wiring harness, poor contact in antenna connectors. Estimated repair cost: $56–167.

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

Symptoms

  • No satellite radio signal
  • Navigation problems
  • Error message on display

Causes

  • Broken wires in the wiring harness
  • Poor contact in antenna connectors
  • Antenna damage
  • Satellite communication module malfunction

How to Fix

  1. Check the integrity of the antenna wiring harness
  2. Inspect antenna connectors for oxidation or damage
  3. Check the performance of the antenna
  4. Replace the antenna or satellite communication module if necessary

Related codes

B125DB125EU0155

FAQ

What does the B125C code mean?

B125C is an OBD-II diagnostic trouble code that indicates: Satellite Antenna Circuit

What causes a B125C error code?

The most common causes of B125C include: Broken wires in the wiring harness; Poor contact in antenna connectors; Antenna damage; Satellite communication module malfunction.

How do I fix a B125C diagnostic trouble code?

To fix B125C: Check the integrity of the antenna wiring harness. Inspect antenna connectors for oxidation or damage. Check the performance of the antenna. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B125C?

Yes, but get it checked soon

How much does it cost to fix B125C?

The estimated repair cost for B125C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat