OBD Guide

B2628

Outside Key Antenna Rear Bumper

B2628 is an OBD-II diagnostic trouble code meaning: Outside Key Antenna Rear Bumper. Common causes: damage to the antenna in the rear bumper, open or shorted 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 system does not recognize the key near the rear bumper
  • Problems opening the trunk without a key
  • Error indication on the instrument panel

Causes

  • Damage to the antenna in the rear bumper
  • Open or shorted wiring harness
  • Malfunction of the keyless entry system control module
  • Connector connection problems

How to Fix

  1. Diagnostics of the keyless entry system using a scanner
  2. Checking the integrity of the wiring harness and connections
  3. Replacing the antenna if necessary
  4. Reflashing or replacing the control module if a malfunction is detected

Related codes

FAQ

What does the B2628 code mean?

B2628 is an OBD-II diagnostic trouble code that indicates: Outside Key Antenna Rear Bumper

What causes a B2628 error code?

The most common causes of B2628 include: Damage to the antenna in the rear bumper; Open or shorted wiring harness; Malfunction of the keyless entry system control module; Connector connection problems.

How do I fix a B2628 diagnostic trouble code?

To fix B2628: Diagnostics of the keyless entry system using a scanner. Checking the integrity of the wiring harness and connections. Replacing the antenna if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2628?

Limited driving only, diagnose soon

How much does it cost to fix B2628?

The estimated repair cost for B2628 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat