P0593 Code - Speed Control Switch 2 Circuit High
Quick Answer
The P0593 diagnostic trouble code (DTC) refers to a fault in the Speed Control Switch 2 Circuit High. Common causes include Faulty speed control switch, Wiring issues or shorts in the circuit, Corrosion or poor connections in the electrical 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
- P0593 indicates Speed Control Switch 2 Circuit High.
- Common causes
- Common causes include Faulty speed control switch, Wiring issues or shorts in the circuit, Corrosion or poor connections in the electrical 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.
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Code P0593 Description
The P0593 diagnostic trouble code (DTC) refers to a fault in the Speed Control Switch 2 Circuit High. This code indicates that there is an electrical issue with the speed control switch, which is a component that allows the driver to set and control the vehicle's speed. The high circuit reading suggests that there is an abnormal signal or voltage level being detected in the switch circuit. This can disrupt the operation of the speed control system, causing issues with maintaining a constant speed while driving.
Common Causes of P0593
- Faulty speed control switch
- Wiring issues or shorts in the circuit
- Corrosion or poor connections in the electrical system
- Faulty speed control module
- ECM (Engine Control Module) malfunction
Symptoms of P0593
- Inoperative speed control system
- Cruise control not engaging or disengaging unexpectedly
- Erratic speedometer readings
- Check Engine Light illuminated
- Vehicle may not accelerate smoothly
How to Fix P0593
- Begin by diagnosing the cause of the code using a diagnostic scan tool to pinpoint the issue.
- Inspect the speed control switch and related wiring for any visible damage or corrosion.
- Test the switch for proper functionality and replace if necessary.
- Check and repair any damaged wiring or connections in the circuit.
- Clear the code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0593
The typical repair costs for addressing a P0593 code can range from $100 to $300, depending on the specific cause of the issue and the labor rates at the auto repair shop. This estimate includes the cost of parts such as a new speed control switch or wiring repairs, as well as the labor involved in diagnosing and fixing the problem. It is recommended to consult with a professional mechanic to get an accurate cost estimate based on your vehicle's make and model.
Tech Notes for P0593
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Code P0593 Information for Specific Makes
- P0593 Chrysler — Speed Control Switch 2 Circuit High
- P0593 Dodge — Speed Control Switch 2 Circuit High
- P0593 Jeep — Speed Control Switch 2 Circuit High
- P0593 Mitsubishi — Speed Control Switch 2 Circuit High
- P0593 RAM — Speed Control Switch 2 Circuit High
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