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Code P1744

Quick reference

P1744 at a glance

Plain-language meaning
This code means there's a problem with a part in your car's transmission that helps control the pressure of the fluid. It's like a little switch that tells the transmission how hard to work, and it's not working right.
Urgency
Moderate – Address the issue soon to avoid potential transmission damage.
Difficulty
Moderate
System
Transmission Control Issue
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means there's a problem with a part in your car's transmission that helps control the pressure of the fluid. It's like a little switch that tells the transmission how hard to work, and it's not working right.

Explanation

The P1744 code indicates an issue with the electrical circuit of the pressure control solenoid 'A', which is responsible for regulating hydraulic pressure in the transmission.

Technical description

The pressure control solenoid 'A' is part of the transmission system and helps manage the hydraulic pressure needed for proper gear shifting. An electrical fault in this solenoid can lead to improper transmission operation.

Symptoms

• Harsh or erratic shifting

• Transmission slipping

• Check Engine Light illuminated

Common Causes

• Faulty pressure control solenoid 'A'

• Wiring issues such as damaged wires or poor connections

• Malfunctioning transmission control module (TCM)

Glossary

Solenoid: An electromechanical device that controls fluid flow.

Transmission Control Module (TCM): A computer that controls the transmission's functions.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the wiring and connections to the solenoid.

• Test the solenoid for proper operation and resistance.

Repair procedures

• Replace the faulty pressure control solenoid.

• Repair or replace damaged wiring or connectors.

• Reprogram or replace the transmission control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$200 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Ford Taurus

• Mercury Sable

• Lincoln Continental

Preventive measures

• Regular transmission fluid changes

• Routine inspection of transmission wiring

• Avoid aggressive driving habits

Error code type

Transmission Control Issue

User experience recommendations

• Avoid driving the vehicle until repaired to prevent further damage.

• Consult a professional mechanic for accurate diagnosis.

Warranty information

Check with your vehicle manufacturer for specific warranty coverage on transmission components.

Historical data

This code has been commonly reported in vehicles with high mileage or those that have experienced harsh driving conditions.

Urgency level

Moderate – Address the issue soon to avoid potential transmission damage.

Testing conditions

• Vehicle should be at operating temperature.

• Transmission fluid level should be checked and correct.

Component location

The pressure control solenoid is located inside the transmission, usually accessible by removing the transmission pan.

FAQs

Q: Can I drive with a P1744 code?
A: It's not recommended, as it can lead to further transmission damage.

Q: How can I prevent a P1744 code?
A: Regular maintenance and avoiding aggressive driving can help prevent this issue.

Optional diagnostic gear

Tools that may help diagnose P1744

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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