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B1468 Mercury Code - Latch Relay Output Circuit Short To Battery

Quick Answer

The B1468 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the latch relay output circuit shorting to the battery. Common causes include Damaged wiring in the latch relay output circuit, Faulty latch relay, Malfunctioning control module. 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
B1468 Mercury indicates Latch Relay Output Circuit Short To Battery.
Common causes
Common causes include Damaged wiring in the latch relay output circuit, Faulty latch relay, Malfunctioning control module.
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 17, 2024
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Code B1468 Mercury Description

The B1468 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the latch relay output circuit shorting to the battery. In simpler terms, this means that there is an electrical issue in the circuit responsible for controlling the latch relay, which is a component that helps secure doors, hoods, or trunks in place. When this circuit malfunctions and shorts to the battery, it can lead to various issues with the vehicle's locking mechanisms.

OBDII Code B1468 Mercury - Latch Relay Output Circuit Short To Battery
B1468 Mercury Code - Latch Relay Output Circuit Short To Battery

Common Causes of B1468 Mercury

  1. Damaged wiring in the latch relay output circuit.
  2. Faulty latch relay.
  3. Malfunctioning control module.
  4. Corrosion or poor connections in the electrical system.
  5. Electrical short circuits due to water intrusion or physical damage.

Symptoms of B1468 Mercury

  1. Doors not locking or unlocking properly.
  2. Inconsistent operation of the hood or trunk latch.
  3. Warning light on the dashboard related to the latch system.
  4. Audible clicking or buzzing noises from the affected latch.

How to Fix B1468 Mercury

  1. Begin by conducting a thorough visual inspection of the latch relay output circuit, looking for any visible damage or corrosion.
  2. Use a multimeter to test the continuity and voltage in the circuit to identify the location of the short to the battery.
  3. Replace any damaged wiring, connectors, or components in the circuit.
  4. Test the repaired circuit to ensure proper operation of the latch relay.
  5. Clear the DTC from the vehicle's computer memory using a diagnostic scan tool.

Cost to Fix B1468 Mercury

The typical repair costs for addressing a latch relay output circuit short to battery issue can vary depending on the extent of the damage and the specific components that need replacement. In general, the parts required for this repair, such as wiring, connectors, or a new latch relay, may cost between $50 and $200. Labor costs can range from $100 to $300, depending on the shop's hourly rates and the complexity of the repair.

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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 B1468 Mercury Code

1. What are the common symptoms of OBDII code B1468 Mercury (Latch Relay Output Circuit Short To Battery)?

The common symptoms include power door locks not working properly, interior lights staying on when doors are closed, and possible draining of the vehicle's battery.

2. What are the possible causes of OBDII code B1468 Mercury?

Possible causes of this code include a short circuit in the latch relay output circuit, damaged wiring or connectors, a faulty latch relay, or a problem with the body control module.

3. How can I diagnose the OBDII code B1468 Mercury?

Diagnosing this code typically involves using a digital multimeter to test the wiring and components in the latch relay circuit, checking for continuity and shorts, and inspecting the latch relay and related components for any visible damage.

4. Can I repair OBDII code B1468 Mercury myself?

If you have experience working with automotive electrical systems, you may be able to repair this code yourself by identifying and fixing the short circuit, repairing or replacing damaged wiring, connectors, or components, or resetting the body control module.

5. How serious is OBDII code B1468 Mercury?

While this code may not directly affect the drivability of the vehicle, it can lead to inconvenience and potential issues like battery drain. It's important to address this code to ensure proper functioning of the power door locks and prevent further electrical problems.

6. Will OBDII code B1468 Mercury cause my vehicle to fail an emissions test?

This code is related to the power door lock system and is not directly linked to emissions control. However, it's still important to address the issue to maintain the overall health and functionality of your vehicle.

7. How much does it typically cost to repair OBDII code B1468 Mercury?

The cost of repairing this code can vary depending on the underlying cause and whether you choose to do the repairs yourself or take your vehicle to a mechanic. Costs may include parts, labor, and diagnostic fees.

8. Can ignoring OBDII code B1468 Mercury cause further damage to my vehicle?

Ignoring this code can potentially lead to further electrical issues, drain your vehicle's battery, or result in continued malfunction of the power door locks. It's best to address the problem promptly to prevent any additional damage.

9. Is it safe to drive my vehicle with OBDII code B1468 Mercury?

While it may be safe to drive your vehicle with this code, you may experience inconvenience due to malfunctioning power door locks. It's recommended to address the issue as soon as possible to avoid any unexpected problems.

10. How long does it typically take to repair OBDII code B1468 Mercury?

The repair time for this code can vary depending on the complexity of the issue, the availability of parts, and whether you are doing the repairs yourself or taking your vehicle to a professional. It's best to consult with a mechanic for a more accurate estimate of repair time.

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