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

Quick Answer

The P1747 diagnostic trouble code for Lincoln vehicles indicates a problem with the Electronic Pressure Control (EPC) solenoid 'A'. Common causes include Wiring issues, Faulty EPC solenoid 'A', Damaged 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 Lincoln indicates Electronic Pressure Control Solenoid 'A' Short Circuit.
Common causes
Common causes include Wiring issues, Faulty EPC solenoid 'A', Damaged 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1747 Lincoln Description

The P1747 diagnostic trouble code for Lincoln vehicles indicates a problem with the Electronic Pressure Control (EPC) solenoid 'A'. This solenoid is responsible for regulating the hydraulic pressure within the transmission, which is crucial for shifting gears smoothly and efficiently. A short circuit in this solenoid can disrupt the transmission's ability to maintain the correct pressure levels, leading to various performance issues.

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

Common Causes of P1747 Lincoln

  1. Wiring issues
  2. Faulty EPC solenoid 'A'
  3. Damaged transmission control module
  4. Electrical system problems

Symptoms of P1747 Lincoln

  1. Erratic shifting behavior
  2. Harsh or delayed shifts
  3. Inability to shift gears
  4. Poor acceleration
  5. Reduced fuel efficiency

How to Fix P1747 Lincoln

  1. Begin by conducting a thorough diagnosis to confirm the EPC solenoid 'A' short circuit issue.
  2. Inspect the wiring harness and connections for any signs of damage or corrosion.
  3. Test the EPC solenoid 'A' to determine if it is functioning correctly or needs replacement.
  4. Check the transmission control module for any faults or errors that may be contributing to the short circuit.
  5. Repair or replace any damaged components, clear the trouble code, and test drive the vehicle to ensure proper operation.

Cost to Fix P1747 Lincoln

The cost of repairing a P1747 code for a Lincoln vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $200 to $500 for parts and labor to address the EPC solenoid 'A' short circuit. Keep in mind that rates at auto repair shops can vary, so it's advisable to get quotes from multiple sources to ensure you're getting a fair price for the repair.

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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 Lincoln Code

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

P1747 indicates a short circuit in the Electronic Pressure Control (EPC) Solenoid 'A', which affects the transmission's ability to regulate hydraulic pressure.

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

Common symptoms include harsh or erratic shifting, failure to engage certain gears, transmission slipping, or the vehicle going into limp mode.

3. What causes the P1747 code to appear?

Potential causes include a shorted EPC solenoid, damaged wiring or connectors, a faulty powertrain control module (PCM), or low transmission fluid.

4. Can low transmission fluid trigger the P1747 code?

While not a direct cause, low or degraded transmission fluid can increase wear on the solenoid and exacerbate electrical issues, potentially triggering the code.

5. How do you diagnose the P1747 code on a Lincoln?

Diagnosis involves scanning for additional codes, inspecting the EPC solenoid and its wiring for damage, testing the solenoid's resistance, and checking for PCM-related issues.

6. Can I drive my Lincoln with the P1747 code?

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

7. How is the P1747 code fixed?

Typical repairs include replacing the EPC solenoid, repairing or replacing damaged wiring, and reprogramming or replacing the PCM if necessary.

8. How much does it cost to repair the P1747 code?

Repair costs vary but typically range from $200 to $600, depending on whether the solenoid, wiring, or PCM needs replacement.

9. Can a bad battery cause the P1747 code?

A weak or failing battery can cause voltage irregularities, which might contribute to or exacerbate electrical issues in the transmission system.

10. Is the P1747 code specific to Lincoln vehicles?

No, the P1747 code can appear on other vehicles with similar transmission systems, but its specifics may vary depending on the make and model.

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