AutoCodes – Mercury – B2937 Mercury

B2937 Mercury Code - Gate Motor Short To Ground

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
B2937 Mercury indicates Gate Motor Short To Ground.
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 932
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 B2937 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 ground on the power liftgate motor circuit(s) for more than 1 second.
OBDII Code B2937 Mercury - Gate Motor Short To Ground - AutoCodes.com
B2937 Mercury Code - Gate Motor Short To Ground

What are the Possible Causes of the DTC B2937 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 B2937 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 B2937 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 B2937 Mercury Code

1. What are the common symptoms of OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- Common symptoms include inoperable power gate, malfunctioning gate motor, and potential electrical issues within the gate system.

2. What are the possible causes of OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- The code may be triggered by a short to ground in the gate motor circuit, damaged wiring, faulty gate motor, or a problem with the gate control module.

3. How can I diagnose the OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- Diagnosis involves checking the gate motor wiring for shorts, inspecting the gate motor for damage, and using a scan tool to retrieve and clear the trouble code.

4. Can I continue driving my vehicle with OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- It is not recommended to drive the vehicle with this code active, as it may lead to further electrical issues or potential safety concerns with the power gate system.

5. How can I repair OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- Repair may involve repairing or replacing damaged wiring, replacing the faulty gate motor, or addressing any issues with the gate control module as needed.

6. Is it possible to reset the OBDII code B2937 Mercury titled Gate Motor Short To Ground without fixing the underlying issue?

- While you can clear the trouble code with a scan tool, it is important to address the root cause of the problem to prevent the code from reoccurring.

7. Can extreme weather conditions cause OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- Yes, extreme weather conditions, such as heavy rain or snow, can potentially damage the gate motor wiring and lead to a short to ground situation.

8. Are there any preventive measures to avoid OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- Regularly inspecting the gate system for any signs of damage, ensuring proper maintenance, and addressing any issues promptly can help prevent this trouble code.

9. How long does it typically take to repair OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- The repair time can vary depending on the specific cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem.

10. Can a DIY enthusiast with automotive experience repair OBDII code B2937 Mercury titled Gate Motor Short To Ground?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to diagnose and repair this code, but professional assistance is recommended for complex issues.

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