P0592 Code - Speed Control Switch 2 Circuit Low
Quick Answer
The diagnostic trouble code (DTC) P0592 refers to a malfunction in the Speed Control Switch 2 Circuit, indicating that the signal voltage is lower than the expected range. Common causes include Faulty speed control switch, Wiring harness issues, Damaged connectors in the circuit. 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
- P0592 indicates Speed Control Switch 2 Circuit Low.
- Common causes
- Common causes include Faulty speed control switch, Wiring harness issues, Damaged connectors in the circuit.
- 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 P0592 Description
The diagnostic trouble code (DTC) P0592 refers to a malfunction in the Speed Control Switch 2 Circuit, indicating that the signal voltage is lower than the expected range. This code typically affects vehicles equipped with cruise control systems, as the speed control switch plays a crucial role in activating and deactivating the cruise control function. When this circuit is compromised, it can lead to issues with the cruise control system's operation, potentially affecting the vehicle's performance and fuel efficiency.
Common Causes of P0592
- Faulty speed control switch.
- Wiring harness issues.
- Damaged connectors in the circuit.
- Malfunctioning engine control module (ECM).
- Corrosion or poor connections in the circuit.
Symptoms of P0592
- Inability to engage or disengage cruise control.
- Cruise control setting not holding steady speed.
- Illumination of the cruise control warning light on the dashboard.
- Erratic behavior of the vehicle's speed control system.
- Decreased fuel efficiency on highway driving.
How to Fix P0592
- Begin by conducting a thorough inspection of the speed control switch circuit, checking for any visible damage or loose connections.
- Test the speed control switch using a multimeter to determine if it is functioning correctly.
- Inspect the wiring harness for any signs of wear, damage, or corrosion, and repair or replace as needed.
- Check the connectors in the circuit for proper contact and cleanliness, addressing any issues found.
- If the issue persists, consult a professional mechanic to diagnose potential ECM problems and replace if necessary.
Cost to Fix P0592
The typical repair costs for addressing a P0592 code can vary depending on the specific cause of the issue. In general, replacing a faulty speed control switch or repairing wiring harness problems can range from $100 to $300, including parts and labor. However, if the ECM needs to be replaced, the cost can increase significantly, potentially reaching up to $500 or more. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local providers for a more accurate estimate based on your vehicle make and model.
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Code P0592 Information for Specific Makes
- P0592 Chrysler — Speed Control Switch 2 Circuit Low
- P0592 Mitsubishi — Speed Control Switch 2 Circuit Low
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