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Engine-Codes – Generic – B10AB

B10AB Code - Remote Keyless Entry Synchronization No Sub Type Information

Quick Answer

The B10AB code indicates a problem with the synchronization of the remote keyless entry system in the vehicle. Common causes include Dead or weak battery in the key fob, Faulty key fob, Faulty receiver in the vehicle. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B10AB indicates Remote Keyless Entry Synchronization No Sub Type Information.
Common causes
Common causes include Dead or weak battery in the key fob, Faulty key fob, Faulty receiver in the vehicle.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code B10AB Description

The B10AB code indicates a problem with the synchronization of the remote keyless entry system in the vehicle. This system allows the driver to lock and unlock the doors, open the trunk, and even start the engine remotely. When this code is triggered, it means that there is a communication issue between the key fob and the vehicle's receiver, preventing the keyless entry system from functioning properly.

OBDII Code B10AB - Remote Keyless Entry Synchronization No Sub Type Information
B10AB Code - Remote Keyless Entry Synchronization No Sub Type Information

Common Causes of B10AB

  1. Dead or weak battery in the key fob.
  2. Faulty key fob.
  3. Faulty receiver in the vehicle.
  4. Interference from other electronic devices.
  5. Wiring or connection issues in the keyless entry system.

Symptoms of B10AB

  1. Inability to lock or unlock the doors remotely.
  2. Key fob buttons not responding.
  3. Alarm system not arming or disarming.
  4. Engine not starting remotely.
  5. Warning light on the dashboard related to the keyless entry system.

How to Fix B10AB

  1. Replace the battery in the key fob.
  2. Try reprogramming the key fob to the vehicle.
  3. Check and replace the key fob if it is faulty.
  4. Inspect and repair any wiring or connection issues in the keyless entry system.
  5. Replace the receiver in the vehicle if necessary.

Cost to Fix B10AB

The cost of repairing the remote keyless entry synchronization issue can vary depending on the specific cause of the problem. Replacing the battery in the key fob is relatively inexpensive, typically costing around $5-$20 for the battery. If the key fob needs to be replaced, it can range from $50-$200 depending on the make and model of the vehicle. Repairing or replacing the receiver in the vehicle can be more costly, potentially ranging from $100-$300 for the part alone, not including labor costs.

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Code B10AB Information for Specific Makes

  • B10AB Ford — Remote Keyless Entry Synchronization No Sub Type Information
  • B10AB Lincoln — Remote Keyless Entry Synchronization No Sub Type Information
  • B10AB Mercury — Remote Keyless Entry Synchronization No Sub Type Information
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B10AB Code

1. What does OBDII code B10AB mean?

Code B10AB indicates an issue with the Remote Keyless Entry (RKE) system, where synchronization between the key fob and vehicle is not functioning correctly.

2. What are the symptoms of code B10AB?

Common symptoms include the key fob failing to lock or unlock doors, inconsistent remote start functionality, and potentially a "key not detected" warning.

3. What causes OBDII code B10AB?

Possible causes include a dead key fob battery, a malfunctioning RKE module, interference from external electronic devices, or a programming issue with the key fob.

4. How do I fix the B10AB code?

Start by replacing the key fob battery. If the issue persists, try reprogramming the key fob or inspecting the RKE module and wiring for faults.

5. Can I drive my car with code B10AB active?

Yes, you can typically drive the car, but access and security features like remote locking and starting may not work correctly.

6. How do I troubleshoot the B10AB code?

Check the key fob battery first. If that doesn't resolve the issue, inspect the RKE module, test for radio frequency interference, and verify key fob synchronization.

7. Does weather affect the B10AB code?

Extreme temperatures or moisture can sometimes interfere with key fob operation, but they are unlikely to be the sole cause of the code.

8. How much does it cost to repair code B10AB?

Repairs may range from $5 for a new key fob battery to $200 or more if the RKE module needs replacement or reprogramming.

9. Can I reprogram the key fob myself for code B10AB?

In some cases, you can reprogram the key fob by following the vehicle manufacturer’s procedure in the owner’s manual. If not, a professional may be required.

10. Could aftermarket electronics trigger code B10AB?

Yes, aftermarket devices like remote starters, alarm systems, or radio transmitters can interfere with the RKE system and cause the B10AB code.

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