OBD Guide
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B110B

Rear Door Passenger Side Central Locking Motor Commanded Position Not Reachable

B110B is an OBD-II diagnostic trouble code meaning: Rear Door Passenger Side Central Locking Motor Commanded Position Not Reachable. Common causes: central locking motor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to lock or unlock the rear right door
  • The door does not respond to commands from the remote control
  • Clicking or strange sounds when trying to lock

Causes

  • Central locking motor malfunction
  • Open or short circuit in wiring harness
  • Body Control Module (BCM) Problems
  • Mechanical fault in door lock

How to Fix

  1. Check wiring harness for damage
  2. Check the operation of the central locking motor
  3. Replace the central locking motor if necessary
  4. Check and replace the body control module (BCM) if necessary.

Related codes

B110AB110CB110D

FAQ

What does the B110B code mean?

B110B is an OBD-II diagnostic trouble code that indicates: Rear Door Passenger Side Central Locking Motor Commanded Position Not Reachable

What causes a B110B error code?

The most common causes of B110B include: Central locking motor malfunction; Open or short circuit in wiring harness; Body Control Module (BCM) Problems; Mechanical fault in door lock.

How do I fix a B110B diagnostic trouble code?

To fix B110B: Check wiring harness for damage. Check the operation of the central locking motor. Replace the central locking motor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B110B?

Limited driving only, diagnose soon

How much does it cost to fix B110B?

The estimated repair cost for B110B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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