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Engine-Codes – Generic – B1560

B1560 Code - Door Lock Cylinder Circuit Open

Quick Answer

The B1560 diagnostic trouble code indicates that there is an open circuit detected in the door lock cylinder circuit. Common causes include Corroded or damaged wiring in the door lock circuit, Faulty door lock actuator, Malfunctioning door lock switch. 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
B1560 indicates Door Lock Cylinder Circuit Open.
Common causes
Common causes include Corroded or damaged wiring in the door lock circuit, Faulty door lock actuator, Malfunctioning door lock switch.
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 09, 2024
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Code B1560 Description

The B1560 diagnostic trouble code indicates that there is an open circuit detected in the door lock cylinder circuit. This means that there is a break or discontinuity in the electrical connection that controls the door lock mechanism. The door lock cylinder is an essential component of a vehicle's security system, as it allows the driver to lock and unlock the doors electronically. When this circuit is open, it can lead to issues with the proper operation of the door locks, potentially compromising the safety and security of the vehicle.

OBDII Code B1560 - Door Lock Cylinder Circuit Open
B1560 Code - Door Lock Cylinder Circuit Open

Common Causes of B1560

  1. Corroded or damaged wiring in the door lock circuit.
  2. Faulty door lock actuator.
  3. Malfunctioning door lock switch.
  4. Issue with the body control module.
  5. Poor electrical connections in the circuit.

Symptoms of B1560

  1. Inability to lock or unlock the doors electronically.
  2. Doors locking or unlocking intermittently.
  3. Alarm system not activating when locking the doors.
  4. Dashboard warning light indicating a door lock malfunction.

How to Fix B1560

  1. Begin by inspecting the wiring harness for any visible damage or corrosion. Replace any damaged wires or connectors.
  2. Test the door lock actuator to ensure it is functioning correctly. Replace it if necessary.
  3. Check the door lock switch for proper operation. Clean or replace the switch as needed.
  4. Scan the vehicle's computer system for any fault codes related to the body control module. Replace or reprogram the module if required.
  5. Clear the diagnostic trouble code from the vehicle's memory and test the door lock cylinder circuit to verify proper operation.

Cost to Fix B1560

The typical repair costs for addressing a door lock cylinder circuit open issue can range from $150 to $400, depending on the specific cause of the problem and the labor rates at the repair facility. This estimate includes the cost of parts such as wiring harnesses, door lock actuators, switches, and potentially the body control module, as well as the labor involved in diagnosing and repairing the circuit. It is important to note that prices may vary based on the location of the repair shop, the make and model of the vehicle, and the complexity of the repair. It is advisable to obtain quotes from multiple reputable repair facilities to determine the most cost-effective solution for addressing this issue.

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Code B1560 Information for Specific Makes

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 B1560 Code

1. What does the OBDII code B1560 mean?

B1560 indicates an open circuit in the door lock cylinder circuit, which may prevent the door lock system from functioning properly.

2. What are common symptoms of the B1560 code?

Common symptoms include the inability to lock or unlock doors using the key, malfunctioning keyless entry, or a door lock warning light on the dashboard.

3. What causes the B1560 code to appear?

This code is typically caused by a damaged door lock cylinder, broken or corroded wiring, a faulty door lock switch, or a malfunctioning Body Control Module (BCM).

4. How can I diagnose the B1560 code?

Start by inspecting the door lock cylinder and its wiring for damage or disconnections. Use a multimeter to check for continuity in the circuit and scan the BCM for related codes.

5. Can the B1560 code affect other vehicle systems?

While it primarily affects the door locking system, it can also interfere with security features, such as the alarm system or keyless entry.

6. Is it safe to drive with the B1560 code?

Yes, the vehicle is generally safe to drive, but you may experience inconvenience or security risks due to inoperative door locks.

7. How do I fix the B1560 code?

Repairs may involve reconnecting or replacing damaged wiring, repairing or replacing the door lock cylinder, or reprogramming or replacing the BCM if necessary.

8. How much does it cost to fix the B1560 code?

Repair costs can range from $100 to $500 or more, depending on whether the issue is wiring-related or requires replacing components like the door lock cylinder or BCM.

9. Can I fix the B1560 code myself?

If you have basic automotive knowledge and tools, you may be able to inspect and repair wiring issues or replace the door lock cylinder. Complex issues like BCM replacement should be handled by a professional.

10. Will clearing the B1560 code solve the problem?

Clearing the code without addressing the underlying issue will only temporarily remove the code. The problem will likely recur until proper repairs are made.

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