AutoCodesMercury – B2819 Mercury

B2819 Mercury Code - Gate Motor Circuit Short To Battery

Quick Answer

The Liftgate/Trunk Module (LTM) monitors the Gate Motor. Common causes include Faulty Gate Motor, Gate Motor harness is open or shorted, Gate Motor circuit poor electrical connection. 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
B2819 Mercury indicates Gate Motor Circuit Short To Battery.
Common causes
Common causes include Faulty Gate Motor, Gate Motor harness is open or shorted, Gate Motor circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 672
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 13, 2020
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Code B2819 Mercury Description

The Liftgate/Trunk Module (LTM) monitors the Gate Motor. The LTM sets the OBDII code when a continuous memory and on-demand Diagnostic Trouble Code (DTC) that sets when the LTM detects a short to battery on the power liftgate motor circuit(s) for more than 1 second.
OBDII Code B2819 Mercury - Gate Motor Circuit Short To Battery - AutoCodes.com
B2819 Mercury Code - Gate Motor Circuit Short To Battery

What are the Possible Causes of the DTC B2819 Mercury?

  • Faulty Gate Motor
  • Gate Motor harness is open or shorted
  • Gate Motor circuit poor electrical connection
  • Faulty Liftgate/Trunk Module (LTM)

How to Fix the DTC B2819 Mercury?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2819 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 B2819 Mercury Code

1. What does the OBDII code B2819 mean on a Mercury vehicle?

B2819 indicates a problem in the gate motor circuit, specifically a short to the battery, which affects the operation of components like liftgates or powered doors.

2. What are common symptoms of the B2819 code in a Mercury?

Symptoms may include a malfunctioning liftgate, a liftgate that won't open or close properly, or warning lights on the dashboard.

3. What causes the B2819 code to appear?

The code is typically caused by damaged wiring, a short circuit, a faulty gate motor, or issues with the control module.

4. Can I drive my Mercury with the B2819 code active?

Yes, but the liftgate or related component may not function properly, which could be inconvenient or pose a safety concern if the issue affects cargo access.

5. How do I diagnose the B2819 code on a Mercury?

Start by inspecting the wiring and connectors for damage or corrosion, then test the gate motor and control module for faults.

6. What tools are needed to repair a B2819 code on a Mercury?

You’ll need a diagnostic scanner, a multimeter for testing circuits, and possibly tools to access and replace wiring or the gate motor.

7. How can I fix the B2819 code on my Mercury?

Repairs may include replacing damaged wiring, fixing a short circuit, repairing or replacing the gate motor, or reprogramming the control module if necessary.

8. How much does it cost to repair the B2819 code on a Mercury?

Repair costs vary but can range from $100 to $400, depending on whether the issue involves wiring repairs, motor replacement, or control module reprogramming.

9. Can a blown fuse cause the B2819 code in a Mercury?

A blown fuse is unlikely to directly cause this code, but it could indicate an underlying electrical issue that may contribute to the problem.

10. Is the B2819 code specific to Mercury vehicles?

No, the B2819 code can appear on other vehicle brands, but the diagnostics and repairs may vary slightly depending on the make and model.

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