Engine-CodesMazda – P1747 Mazda

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

Quick Answer

The P1747 code in a Mazda indicates a problem with the Electronic Pressure Control Solenoid 'A,' specifically a short circuit. Common causes include Damaged wiring or connectors, Faulty Electronic Pressure Control Solenoid 'A', Issues with the transmission 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
P1747 Mazda indicates Electronic Pressure Control Solenoid 'A' Short Circuit.
Common causes
Common causes include Damaged wiring or connectors, Faulty Electronic Pressure Control Solenoid 'A', Issues with the transmission 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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1747 Mazda Description

The P1747 code in a Mazda indicates a problem with the Electronic Pressure Control Solenoid 'A,' specifically a short circuit. This solenoid is responsible for regulating the pressure of the transmission fluid, which is crucial for smooth gear shifting and overall transmission performance. When a short circuit occurs in this solenoid, it can disrupt the communication between the transmission control module and the solenoid, leading to various issues with the transmission system.

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

Common Causes of P1747 Mazda

  1. Damaged wiring or connectors
  2. Faulty Electronic Pressure Control Solenoid 'A'
  3. Issues with the transmission control module
  4. Corrosion or moisture in the electrical system
  5. Poor electrical connections

Symptoms of P1747 Mazda

  1. Harsh or delayed shifting
  2. Erratic gear changes
  3. Loss of power
  4. Decreased fuel efficiency
  5. Transmission slippage

How to Fix P1747 Mazda

  1. Perform a thorough inspection of the wiring and connectors to identify any damage or corrosion.
  2. Test the Electronic Pressure Control Solenoid 'A' to determine if it is functioning properly.
  3. Check the transmission control module for any faults or errors in communication.
  4. Replace the damaged wiring, connectors, or solenoid as needed.
  5. Clear the code from the vehicle's computer and test drive to ensure proper transmission operation.

Cost to Fix P1747 Mazda

The typical repair costs for addressing a P1747 code in a Mazda can vary depending on the specific cause of the issue and the extent of the damage. In general, the parts needed for this repair, such as a new Electronic Pressure Control Solenoid 'A' or wiring harness, can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour, with the total repair bill likely falling in the $200 to $500 range. However, it's important to note that these estimates can vary based on factors such as location, vehicle make and model, and the expertise of the technician performing the repair. It's recommended to obtain quotes from local auto repair shops to get a more accurate cost estimate for addressing this issue.

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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 Mazda Code

1. What does the OBDII code P1747 mean on a Mazda?

P1747 indicates a short circuit in the Electronic Pressure Control Solenoid 'A,' which can affect transmission pressure regulation.

2. What are the common symptoms of the P1747 code in a Mazda?

Symptoms may include harsh or erratic shifting, transmission slipping, reduced fuel efficiency, or the vehicle going into limp mode.

3. What causes the P1747 code to appear in a Mazda?

Common causes include a faulty pressure control solenoid, damaged wiring or connectors, a short circuit, or a malfunctioning transmission control module (TCM).

4. Can I drive my Mazda with the P1747 code active?

Driving with this code is not recommended, as it can lead to further transmission damage or unsafe driving conditions.

5. How do I diagnose the P1747 code on my Mazda?

Diagnosis involves inspecting the solenoid and its wiring for damage, testing electrical connections, and using a multimeter to check for shorts or open circuits.

6. How is the P1747 code fixed on a Mazda?

Repairs may include replacing the defective pressure control solenoid, repairing or replacing damaged wiring, or reprogramming the TCM.

7. How much does it cost to repair the P1747 code on a Mazda?

Repair costs vary but may range from $200 to $800, depending on whether the solenoid, wiring, or TCM needs replacement.

8. Can a dirty transmission fluid cause the P1747 code?

While unlikely, contaminated transmission fluid can contribute to solenoid issues. Flushing the fluid might help, but electrical repairs are often required.

9. What tools are needed to troubleshoot the P1747 code in a Mazda?

A scan tool, multimeter, and service manual are essential for proper diagnosis and repair of this code.

10. Does the P1747 code always require a solenoid replacement?

Not always. The issue could stem from wiring faults or a TCM problem, so a thorough diagnosis is essential before replacing the solenoid.

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