Engine-CodesChrysler – P1593 Chrysler

P1593 Chrysler Code - Speed Control Switch 1/2 Stuck

Quick Answer

The P1593 Chrysler code indicates that there is an issue with the speed control switch 1/2 being stuck. Common causes include Faulty speed control switch, Electrical issues or wiring problems, Cruise control module malfunction. 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
P1593 Chrysler indicates Speed Control Switch 1/2 Stuck.
Common causes
Common causes include Faulty speed control switch, Electrical issues or wiring problems, Cruise control module malfunction.
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 Sep 06, 2024
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Code P1593 Chrysler Description

The P1593 Chrysler code indicates that there is an issue with the speed control switch 1/2 being stuck. This code is typically found in Chrysler vehicles with cruise control systems. The speed control switch is responsible for setting and adjusting the speed of the vehicle when cruise control is engaged. When the switch is stuck, it may prevent the cruise control system from functioning properly, leading to potential safety issues and a lack of control over the vehicle's speed.

OBDII Code P1593 Chrysler - Speed Control Switch 1/2 Stuck
P1593 Chrysler Code - Speed Control Switch 1/2 Stuck

Common Causes of P1593 Chrysler

  1. Faulty speed control switch
  2. Electrical issues or wiring problems
  3. Cruise control module malfunction
  4. Defective clock spring in the steering column
  5. Corrosion or debris affecting the switch operation

Symptoms of P1593 Chrysler

  1. Cruise control not engaging or disengaging properly
  2. Inability to set or adjust cruise control speed
  3. Speed control light on the dashboard may illuminate
  4. Erratic behavior or surging of vehicle speed while using cruise control

How to Fix P1593 Chrysler

  1. Diagnose the specific cause of the issue using a scan tool to read the trouble code and perform a visual inspection of the speed control switch.
  2. Replace the speed control switch if it is found to be faulty. This may require removing trim pieces and accessing the switch behind the steering wheel.
  3. Check the wiring and connections related to the speed control switch for any damage or corrosion, repairing or replacing as needed.
  4. Test the cruise control system after the repair to ensure proper functionality.
  5. Clear the diagnostic trouble codes and reset the system to ensure the issue has been resolved.

Cost to Fix P1593 Chrysler

The cost of repairing a P1593 Chrysler code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $300 for parts and labor. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the problem, which can increase the overall cost. It's recommended to consult with a trusted mechanic or dealership to get an accurate estimate for your vehicle.

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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 P1593 Chrysler Code

1. What are the common symptoms of OBDII code P1593 in a Chrysler related to the Speed Control Switch 1/2 Stuck?

The common symptoms include the inability to engage or disengage the cruise control system, the cruise control system getting stuck in one position, and the cruise control becoming unresponsive.

2. What are the possible causes of OBDII code P1593 related to the Speed Control Switch 1/2 Stuck in a Chrysler?

The possible causes of this code can be a faulty speed control switch, a problem with the cruise control module, damaged wiring or connectors in the cruise control system, or a malfunction in the vehicle's computer system.

3. How can I diagnose the issue causing OBDII code P1593 in my Chrysler?

To diagnose the issue, you can start by checking the speed control switch for any physical damage or signs of wear. You can also inspect the wiring and connectors in the cruise control system for any issues. If needed, using a scan tool to read the codes and perform further diagnostics is recommended.

4. What are some repair tips for fixing OBDII code P1593 related to the Speed Control Switch 1/2 Stuck in a Chrysler?

Repair tips include checking and replacing the speed control switch if necessary, inspecting and repairing any damaged wiring or connectors, resetting the vehicle's computer system, and testing the cruise control system after repairs to ensure proper functionality.

5. Can I continue driving my Chrysler with OBDII code P1593 related to the Speed Control Switch 1/2 Stuck?

It is not recommended to continue driving the vehicle with this code active, as it may affect the proper functioning of the cruise control system, which can lead to safety issues or potential damage to other components.

6. How much does it typically cost to repair OBDII code P1593 related to the Speed Control Switch 1/2 Stuck in a Chrysler?

The cost of repairs can vary depending on the root cause of the issue and whether you perform the repairs yourself or take the vehicle to a mechanic. Costs may include parts replacement, labor fees, and diagnostic charges.

7. Are there any recalls or technical service bulletins related to OBDII code P1593 in Chrysler vehicles?

It's advisable to check with a Chrysler dealership or the manufacturer's website to see if there are any recalls or technical service bulletins related to this specific OBDII code. Keeping up-to-date with any relevant information can help in resolving the issue effectively.

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