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Engine-Codes – Generic – P1595

P1595 Code - Speed Control Solenoid Circuits

Quick Answer

The P1595 diagnostic trouble code (DTC) refers to an issue with the speed control solenoid circuits in a vehicle. Common causes include Faulty speed control solenoid, Wiring issues or electrical faults in the speed control circuit, Corrosion or damage to connectors related to the speed control system. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P1595 indicates Speed Control Solenoid Circuits.
Common causes
Common causes include Faulty speed control solenoid, Wiring issues or electrical faults in the speed control circuit, Corrosion or damage to connectors related to the speed control system.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P1595 Description

The P1595 diagnostic trouble code (DTC) refers to an issue with the speed control solenoid circuits in a vehicle. The speed control solenoid is a crucial component of the vehicle's cruise control system, responsible for regulating the vehicle's speed based on the driver's input. When this code is triggered, it indicates a malfunction in the circuits controlling the speed control solenoid, which can lead to the cruise control system not functioning properly.

OBDII Code P1595 - Speed Control Solenoid Circuits
P1595 Code - Speed Control Solenoid Circuits

Common Causes of P1595

  1. Faulty speed control solenoid
  2. Wiring issues or electrical faults in the speed control circuit
  3. Corrosion or damage to connectors related to the speed control system
  4. Issues with the vehicle's powertrain control module (PCM)
  5. Environmental factors such as moisture or debris affecting the speed control solenoid circuits

Symptoms of P1595

  1. Inoperative cruise control system
  2. Fluctuating speed while using cruise control
  3. Illumination of the check engine light
  4. Engine stalling or hesitation while driving at a constant speed

How to Fix P1595

  1. Begin by conducting a thorough inspection of the speed control solenoid circuits, checking for any visible damage or loose connections.
  2. Use a multimeter to test the continuity and voltage of the speed control solenoid circuits to identify any electrical faults.
  3. Inspect the speed control solenoid itself for any signs of wear or malfunction, and replace it if necessary.
  4. Repair or replace any damaged wiring or connectors in the speed control circuit to ensure proper electrical connections.
  5. Clear the DTC from the vehicle's memory using a diagnostic scanner and test the cruise control system to verify that the issue has been resolved.

Cost to Fix P1595

The typical repair costs for addressing the P1595 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty speed control solenoid or repairing wiring issues related to the speed control circuits can range from $150 to $400, including parts and labor. However, it's important to note that the actual costs may differ based on factors such as the vehicle make and model, the location of the repair shop, and the rates charged for diagnosis and labor. It's recommended to obtain a detailed estimate from a qualified mechanic to determine the exact cost of addressing this issue for a specific vehicle.

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Code P1595 Information for Specific Makes

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.

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