Engine-CodesChrysler – P0594 Chrysler

P0594 Chrysler Code - Speed Control Servo Circuit

Quick Answer

The P0594 code for Chrysler vehicles refers to a fault in the speed control servo circuit. Common causes include Faulty speed control servo, Wiring issues or loose connections in the speed control servo circuit, Malfunctioning PCM. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0594 Chrysler indicates Speed Control Servo Circuit.
Common causes
Common causes include Faulty speed control servo, Wiring issues or loose connections in the speed control servo circuit, Malfunctioning PCM.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Table of contents Created and updated by William Orellana on Aug 30, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0594 Chrysler Description

The P0594 code for Chrysler vehicles refers to a fault in the speed control servo circuit. This code is typically triggered when the powertrain control module (PCM) detects an issue with the speed control servo circuit, which is responsible for controlling the vehicle's speed. The speed control servo circuit helps regulate the vehicle's speed by adjusting the throttle opening and maintaining a constant speed set by the driver.

OBDII Code P0594 Chrysler - Speed Control Servo Circuit
P0594 Chrysler Code - Speed Control Servo Circuit

Common Causes of P0594 Chrysler

  1. Faulty speed control servo
  2. Wiring issues or loose connections in the speed control servo circuit
  3. Malfunctioning PCM
  4. Corrosion or damage to speed control servo components
  5. Electrical issues within the speed control system

Symptoms of P0594 Chrysler

  1. Cruise control not engaging
  2. Inability to maintain a set speed while using cruise control
  3. Cruise control disengaging unexpectedly
  4. Check Engine light illuminated on the dashboard

How to Fix P0594 Chrysler

  1. Diagnose the specific cause of the P0594 code using a diagnostic scanner.
  2. Inspect the speed control servo components and wiring for any visible damage or corrosion.
  3. Test the speed control servo circuit for continuity and proper voltage.
  4. Replace any faulty speed control servo components or repair wiring issues as needed.
  5. Clear the code from the PCM memory and test the cruise control system to ensure proper functionality.

Cost to Fix P0594 Chrysler

The typical repair costs for addressing a P0594 code can range from $150 to $500, depending on the specific cause of the issue and the cost of parts. Labor costs can vary, with rates typically ranging from $80 to $150 per hour at most auto repair shops. It's advisable to check with local repair shops for more accurate pricing based on your location and vehicle model.

When is the Code Detected?

Open or shorted condition in the cruise control servo circuit

Need more information about the P0594 Chrysler code?

Need more information on how to fix the P0594 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0594 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 P0594 Chrysler Code

No Frequently Asked Questions about P0594 Chrysler Code found.

Discuss the causes and fixes for P0594 Chrysler OBDII Code

Code P0594 Chrysler comments

No comments found for this page.