AutoCodes – Ford – P1745 Ford

P1745 Ford Code - Line Pressure Too High For Too Long

Quick Answer

The P1745 code is an informational code to inform the technician that transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts resulting from a Line Pressure Diagnostic Trouble Code (DTC). 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: P1745 Ford indicates Line Pressure Too High For Too Long.
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.

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Code Popularity 13,874

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jul 18, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P1745 Ford Description

The P1745 code is an informational code to inform the technician that transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts resulting from a Line Pressure Diagnostic Trouble Code (DTC). The Transmission is not designed to operate in open-loop line pressure control for an extended period of time. This code is intended to protect the transmission. If the P1745 code sets, the transmission controller will place the transmission into limp-in mode.

OBDII Code P1745 Ford - Line Pressure Too High For Too Long - AutoCodes.com — P1745 Ford Code - Line Pressure Too High For Too Long

What does this mean?

What are the Possible Causes of the DTC P1745 Ford?

Faulty Line Pressure Solenoid
Line Pressure Solenoid harness is open or shorted
Line Pressure Solenoid circuit poor electrical connection

How to Fix the DTC P1745 Ford?

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 P1745 Ford 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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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.