P1747 Lincoln 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 Lincoln 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.
Code P1747 Lincoln Description
What are the Possible Causes of the DTC P1747 Lincoln?
- 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 Lincoln?
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 Lincoln 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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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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