OBD Guide
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B11EA

Right Rear Door Ajar Switch Circuit Open

B11EA is an OBD-II diagnostic trouble code meaning: Right Rear Door Ajar Switch Circuit Open. Common causes: broken wires in the harness, faulty door sensor. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • The door open light does not go out on the dashboard
  • Interior lighting does not work when opening the right rear door
  • False door unlock warnings

Causes

  • Broken wires in the harness
  • Faulty door sensor
  • Oxidized or damaged contacts in connectors
  • Body Control Module (BCM) Problems

How to Fix

  1. Check the status of the door sensor
  2. Inspect the wiring harness for damage
  3. Check contacts in sensor and BCM connectors
  4. Test sensor circuit resistance
  5. Replace sensor or repair wiring harness if necessary

Related codes

B11EBB11ECB11ED

FAQ

What does the B11EA code mean?

B11EA is an OBD-II diagnostic trouble code that indicates: Right Rear Door Ajar Switch Circuit Open

What causes a B11EA error code?

The most common causes of B11EA include: Broken wires in the harness; Faulty door sensor; Oxidized or damaged contacts in connectors; Body Control Module (BCM) Problems.

How do I fix a B11EA diagnostic trouble code?

To fix B11EA: Check the status of the door sensor. Inspect the wiring harness for damage. Check contacts in sensor and BCM connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B11EA?

Limited driving only, diagnose soon

How much does it cost to fix B11EA?

The estimated repair cost for B11EA is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat