AutoCodes – Mercury – P1747 Mercury

P1747 Mercury Code - Electronic Pressure Control Solenoid 'A' Short Circuit

Quick Answer

The Diagnostic Trouble Code (DTC) will set if with the engine running in gear at cruise speed, the Powertrain Control Module (PCM) detects that the Torque Converter Clutch (TCC) circuit was shorted to power. Common causes include Faulty Line Pressure Solenoid, Line Pressure Solenoid harness is open or shorted, Line Pressure Solenoid 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
P1747 Mercury indicates Electronic Pressure Control Solenoid 'A' Short Circuit.
Common causes
Common causes include Faulty Line Pressure Solenoid, Line Pressure Solenoid harness is open or shorted, Line Pressure Solenoid 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 1,710
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 30, 2020
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Code P1747 Mercury Description

The Diagnostic Trouble Code (DTC) will set if with the engine running in gear at cruise speed, the Powertrain Control Module (PCM) detects that the Torque Converter Clutch (TCC) circuit was shorted to power.
OBDII Code P1747 Mercury - Electronic Pressure Control Solenoid 'A' Short Circuit - AutoCodes.com
P1747 Mercury Code - Electronic Pressure Control Solenoid 'A' Short Circuit

What are the Possible Causes of the DTC P1747 Mercury?

  • Faulty Line Pressure Solenoid
  • Line Pressure Solenoid harness is open or shorted
  • Line Pressure Solenoid circuit poor electrical connection

How to Fix the DTC P1747 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 P1747 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.

Need more information about the P1747 Mercury code?

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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 P1747 Mercury Code

1. What are the common symptoms of OBDII code P1747 in a Mercury vehicle?

- Common symptoms include harsh shifting, transmission slipping, poor fuel economy, and the transmission entering limp mode.

2. What does the OBDII code P1747 for Electronic Pressure Control Solenoid 'A' Short Circuit mean in a Mercury?

- This code indicates that there is a short circuit in the electronic pressure control solenoid 'A' circuit in the transmission.

3. What are the possible causes of OBDII code P1747 in a Mercury?

- The code P1747 can be triggered by issues such as a faulty electronic pressure control solenoid, damaged wiring, or a defective transmission control module.

4. How can I diagnose the cause of OBDII code P1747 in my Mercury?

- Diagnosing the issue involves using a scan tool to retrieve the code, checking the wiring and connections to the electronic pressure control solenoid, and testing the solenoid for proper function.

5. Is it safe to continue driving my Mercury with OBDII code P1747 present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission if left unresolved.

6. Can I repair OBDII code P1747 in my Mercury by myself?

- While some DIY enthusiasts may attempt to repair this issue themselves, it is recommended to seek professional help due to the complexity of transmission repairs.

7. How much does it typically cost to repair OBDII code P1747 in a Mercury?

- The cost of repairing this code can vary depending on the extent of the damage and the specific repairs needed, but it can range from a few hundred to over a thousand dollars.

8. Will resetting the OBDII code P1747 in my Mercury make the issue go away?

- Simply resetting the code will not fix the underlying problem causing P1747. It is important to diagnose and address the root cause of the issue to prevent it from recurring.

9. Can a faulty electronic pressure control solenoid be cleaned or repaired, or does it need to be replaced?

- In most cases, a faulty electronic pressure control solenoid will need to be replaced rather than repaired, as cleaning or attempting to fix it may not provide a lasting solution.

10. How long does it typically take to repair OBDII code P1747 in a Mercury at a repair shop?

- The repair time can vary depending on the shop's workload and the specific repairs needed, but it may take a few hours to a full day to address the issue and ensure proper functioning of the transmission.

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