OBD Guide
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B259D

Rear Right Door Handle Sense

B259D is an OBD-II diagnostic trouble code meaning: Rear Right Door Handle Sense. Common causes: open or shorted sensor wiring harness, door handle sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Lack of response to touching the rear right door handle (in passive access systems)
  • The malfunction indicator on the dashboard lights up
  • Problems with the central locking for the rear right door

Causes

  • Open or shorted sensor wiring harness
  • Door handle sensor malfunction
  • Problems with the door control module
  • Oxidation of contacts or corrosion in connectors

How to Fix

  1. Check the integrity of the wiring harness to the door handle sensor
  2. Check the condition of contacts and connectors
  3. Test the handle sensor itself (if possible)
  4. Replace handle sensor if necessary
  5. Check and replace the door control module if necessary

Related codes

B259CB259EB259F

FAQ

What does the B259D code mean?

B259D is an OBD-II diagnostic trouble code that indicates: Rear Right Door Handle Sense

What causes a B259D error code?

The most common causes of B259D include: Open or shorted sensor wiring harness; Door handle sensor malfunction; Problems with the door control module; Oxidation of contacts or corrosion in connectors.

How do I fix a B259D diagnostic trouble code?

To fix B259D: Check the integrity of the wiring harness to the door handle sensor. Check the condition of contacts and connectors. Test the handle sensor itself (if possible). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B259D?

Yes, but get it checked soon

How much does it cost to fix B259D?

The estimated repair cost for B259D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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