Engine-CodesChrysler – P1745 Chrysler

P1745 Chrysler Code - Line Pressure Too High For Too Long

Quick Answer

The P1745 Chrysler diagnostic trouble code indicates that the transmission line pressure has been too high for an extended period of time. Common causes include Faulty pressure control solenoid, Clogged transmission fluid filter, Low transmission fluid levels. 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 Chrysler indicates Line Pressure Too High For Too Long.
Common causes
Common causes include Faulty pressure control solenoid, Clogged transmission fluid filter, Low transmission fluid levels.
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 Aug 18, 2024
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Code P1745 Chrysler Description

The P1745 Chrysler diagnostic trouble code indicates that the transmission line pressure has been too high for an extended period of time. This can lead to various issues within the transmission system and affect the vehicle's overall performance. Line pressure is crucial for proper shifting and operation of the transmission, so when it is too high, it can cause excessive wear and damage to internal components. This can result in harsh shifting, slipping gears, overheating, and ultimately transmission failure if not addressed promptly.

OBDII Code P1745 Chrysler - Line Pressure Too High For Too Long
P1745 Chrysler Code - Line Pressure Too High For Too Long

Common Causes of P1745 Chrysler

  1. Faulty pressure control solenoid
  2. Clogged transmission fluid filter
  3. Low transmission fluid levels
  4. Malfunctioning transmission pump
  5. Internal transmission damage or wear

Symptoms of P1745 Chrysler

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Overheating transmission
  4. Erratic or unpredictable gear changes
  5. Transmission fluid leaks

How to Fix P1745 Chrysler

  1. Perform a diagnostic scan to confirm the P1745 code and identify any other related issues.
  2. Inspect the transmission fluid level and condition, topping up or replacing as necessary.
  3. Check the pressure control solenoid and replace if faulty.
  4. Inspect and clean the transmission fluid filter or replace if clogged.
  5. Test drive the vehicle after repairs to ensure proper transmission operation.

Cost to Fix P1745 Chrysler

The cost of repairing a P1745 Chrysler code can vary depending on the specific cause of the issue and the extent of the damage. On average, the repair costs for this type of transmission problem can range from $200 to $800, including parts and labor. However, it's important to bear in mind that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple shops before proceeding with 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 P1745 Chrysler Code

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