P0595 Fault Code

Cruise Control Servo Control Circuit Low

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0595 fault code refers to an issue in the cruise control system, specifically indicating that the Cruise Control Servo Control Circuit is experiencing low voltage or insufficient signal. This can lead to problems with maintaining a steady speed while driving, which can affect overall vehicle performance and driver convenience.

What are the symptoms of the P0595 code?

Symptoms associated with the P0595 code may include:

• Cruise control system not engaging or turning off unexpectedly
• Inability to maintain a constant speed while using the cruise control
• Warning lights on the dashboard, particularly the check engine light
• Irregular behavior of the throttle when cruise control is activated.

What causes the P0595 code?

The most common causes for the P0595 code include:

• Faulty cruise control servo motor
• Damaged wiring or connectors in the cruise control circuit
• Malfunctioning brake switch affecting the cruise control system
• Low battery voltage or issues with the vehicle's electrical system
• Failed engine control unit (ECU) not communicating properly with the cruise control system.

How to fix P0595?

To resolve the P0595 code, consider the following steps:

• Inspect and repair any damaged wiring or connectors within the cruise control circuit.
• Check and replace the cruise control servo motor if it is found to be defective.
• Ensure that the brake switch is functioning correctly and is properly aligned.
• Verify that the vehicle's battery voltage is adequate and that there are no ongoing electrical issues.
• Use a scanner to clear any codes after repairs and test the cruise control system to confirm the fix.