OBD Guide
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B263D

FRE Door Fail

B263D is an OBD-II diagnostic trouble code meaning: FRE Door Fail. Common causes: broken or damaged door wiring harness, door shock sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • Restraint system inactive
  • Error B263D in diagnostic memory

Causes

  • Broken or damaged door wiring harness
  • Door shock sensor malfunction
  • Problems with the passive safety control module
  • Contact corrosion

How to Fix

  1. Check the wiring harness in the door for breaks and damage
  2. Check shock sensors and their connections
  3. Scan the control module for other errors
  4. Replace faulty components

Related codes

B263EB263FB2640

FAQ

What does the B263D code mean?

B263D is an OBD-II diagnostic trouble code that indicates: FRE Door Fail

What causes a B263D error code?

The most common causes of B263D include: Broken or damaged door wiring harness; Door shock sensor malfunction; Problems with the passive safety control module; Contact corrosion.

How do I fix a B263D diagnostic trouble code?

To fix B263D: Check the wiring harness in the door for breaks and damage. Check shock sensors and their connections. Scan the control module for other errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B263D?

Do not drive — repair immediately

How much does it cost to fix B263D?

The estimated repair cost for B263D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat