OBD Guide

B3124

Keyless Entry Antenna 6

B3124 is an OBD-II diagnostic trouble code meaning: Keyless Entry Antenna 6. Common causes: damage to antenna no. 6, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • The keyless entry system does not work in the trunk area
  • Difficulty opening the trunk
  • Error indication on the dashboard

Causes

  • Damage to antenna No. 6
  • Open or short circuit in wiring harness
  • Malfunction of the keyless entry system control module
  • Contact corrosion

How to Fix

  1. Check the integrity of antenna No. 6
  2. Check the wiring harness for opens and shorts
  3. Check contacts for corrosion
  4. Replace the antenna if necessary
  5. Check system control module

Related codes

Error B3124 by Vehicle Brand

FAQ

What does the B3124 code mean?

B3124 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Antenna 6

What causes a B3124 error code?

The most common causes of B3124 include: Damage to antenna No. 6; Open or short circuit in wiring harness; Malfunction of the keyless entry system control module; Contact corrosion.

How do I fix a B3124 diagnostic trouble code?

To fix B3124: Check the integrity of antenna No. 6. Check the wiring harness for opens and shorts. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3124?

Limited driving only, diagnose soon

How much does it cost to fix B3124?

The estimated repair cost for B3124 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat