OBD Guide
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B1563

Door Ajar Circuit Failure

B1563 is an OBD-II diagnostic trouble code meaning: Door Ajar Circuit Failure. Common causes: open or short circuit in the sensor circuit, door sensor malfunction. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Incorrect display of door status on the dashboard
  • Problems with the interior lighting
  • False alarms
  • Automatic door lock malfunction

Causes

  • Open or short circuit in the sensor circuit
  • Door sensor malfunction
  • Wiring harness damage
  • Oxidized or corroded contacts
  • Problems with the control unit

How to Fix

  1. Check the serviceability of the door opening sensor
  2. Inspect the wiring harness for damage
  3. Check the integrity of the sensor circuit (open/short circuit)
  4. Clean contacts and connectors
  5. Replace faulty sensor or wiring harness

Related codes

B1560B1561B1562B1564

FAQ

What does the B1563 code mean?

B1563 is an OBD-II diagnostic trouble code that indicates: Door Ajar Circuit Failure

What causes a B1563 error code?

The most common causes of B1563 include: Open or short circuit in the sensor circuit; Door sensor malfunction; Wiring harness damage; Oxidized or corroded contacts.

How do I fix a B1563 diagnostic trouble code?

To fix B1563: Check the serviceability of the door opening sensor. Inspect the wiring harness for damage. Check the integrity of the sensor circuit (open/short circuit). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1563?

Limited driving only, diagnose soon

How much does it cost to fix B1563?

The estimated repair cost for B1563 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat