OBD Guide

B2623

Inside Key Antenna 3 Circuit

B2623 is an OBD-II diagnostic trouble code meaning: Inside Key Antenna 3 Circuit. Common causes: open or short circuit in antenna wiring harness, malfunction of the antenna of the internal key 3. Estimated repair cost: $56–167.

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

Symptoms

  • Problems starting the engine (especially from the Start/Stop button)
  • The system does not recognize the key inside the car
  • Error message on the instrument panel

Causes

  • Open or short circuit in antenna wiring harness
  • Malfunction of the antenna of the internal key 3
  • Problems with the keyless entry control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the antenna wiring harness
  2. Check connectors and contacts for corrosion or damage
  3. Test internal key antenna 3
  4. If necessary, replace the antenna or wiring harness
  5. Reset the error using diagnostic equipment

Related codes

FAQ

What does the B2623 code mean?

B2623 is an OBD-II diagnostic trouble code that indicates: Inside Key Antenna 3 Circuit

What causes a B2623 error code?

The most common causes of B2623 include: Open or short circuit in antenna wiring harness; Malfunction of the antenna of the internal key 3; Problems with the keyless entry control unit; Corrosion or poor contact in connectors.

How do I fix a B2623 diagnostic trouble code?

To fix B2623: Check the integrity of the antenna wiring harness. Check connectors and contacts for corrosion or damage. Test internal key antenna 3. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2623?

Limited driving only, diagnose soon

How much does it cost to fix B2623?

The estimated repair cost for B2623 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat