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Engine-Codes – Mercury – P1747 Mercury

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

Quick Answer

The P1747 code for Mercury vehicles indicates a short circuit in the Electronic Pressure Control Solenoid 'A'. Common causes include Faulty Electronic Pressure Control Solenoid 'A', Wiring issues or short circuits in the solenoid circuit, Corrosion or damage to electrical connectors. 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 Electronic Pressure Control Solenoid 'A', Wiring issues or short circuits in the solenoid circuit, Corrosion or damage to electrical connectors.
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 Aug 25, 2024
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Code P1747 Mercury Description

The P1747 code for Mercury vehicles indicates a short circuit in the Electronic Pressure Control Solenoid 'A'. This solenoid is responsible for regulating the hydraulic pressure in the transmission, which in turn controls the shifting of gears. A short circuit in this component can disrupt the transmission's operation, leading to difficulties in shifting gears smoothly. If this issue is not addressed, it can potentially cause further damage to the transmission system, resulting in costly repairs down the line.

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

Common Causes of P1747 Mercury

  1. Faulty Electronic Pressure Control Solenoid 'A'
  2. Wiring issues or short circuits in the solenoid circuit
  3. Corrosion or damage to electrical connectors
  4. Transmission fluid contamination
  5. Issues with the transmission control module

Symptoms of P1747 Mercury

  1. Harsh or delayed shifting between gears
  2. Transmission slipping
  3. Transmission overheating
  4. Decreased fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P1747 Mercury

  1. Diagnose the specific cause of the short circuit, which may involve using a multimeter to test the solenoid and its wiring.
  2. Replace the Electronic Pressure Control Solenoid 'A' if it is found to be faulty.
  3. Repair or replace any damaged wiring or connectors in the solenoid circuit.
  4. Check and flush the transmission fluid if contamination is suspected.
  5. Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1747 Mercury

The cost of repairing an Electronic Pressure Control Solenoid 'A' short circuit in a Mercury vehicle can vary depending on the specific model and year. On average, the parts for this repair can range from $100 to $300, while labor costs can add another $150 to $300. This brings the total estimated cost to approximately $250 to $600. It's important to note that these are rough estimates and actual costs may differ based on location and other factors. It's recommended to consult with a trusted mechanic or repair shop for a more accurate quote.

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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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