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P codepowertrainMedium severity

P0582Cruise Control System Low Input

The OBD2 code P0582 indicates a problem with the cruise control system, specifically that there is a low input signal detected, which may suggest a fault in the cruise control switch, wiring, or related components

Definition

The OBD2 code P0582 indicates a problem with the cruise control system, specifically that there is a low input signal detected, which may suggest a fault in the cruise control switch, wiring, or related components

Common causes

  • Faulty cruise control switch
  • Damaged wiring or connectors
  • Malfunctioning brake pedal switch
  • Faulty throttle position sensor
  • Defective engine control module (ECM)
  • Low battery voltage
  • Faulty cruise control module

Common misdiagnoses

  • Faulty cruise control switch
  • Malfunctioning brake light switch
  • Defective throttle position sensor
  • Wiring issues or shorts in the cruise control circuit
  • Faulty engine control module (ECM)
  • Problems with the accelerator pedal position sensor
  • Issues with the vehicle speed sensor (VSS)

Troubleshooting steps

  1. 1.Check the Cruise Control Switch

  2. 2.Inspect the cruise control switch for any visible damage or wear

  3. 3.Ensure that the switch is functioning properly. You can test it with a multimeter to check for continuity when the switch is activated

  4. 4.Inspect Wiring and Connectors

  5. 5.Examine the wiring harness and connectors associated with the cruise control system for any signs of damage, corrosion, or loose connections

  6. 6.Repair or replace any damaged wires or connectors

  7. 7.Check the Brake Pedal Switch

  8. 8.The cruise control system is often disabled when the brake pedal is pressed. Ensure that the brake pedal switch is functioning correctly and is not stuck or malfunctioning

  9. 9.Test the brake pedal switch for proper operation and adjust or replace it if necessary

  10. 10.Inspect the Throttle Position Sensor (TPS)

  11. 11.The TPS provides input to the cruise control system. Check for proper operation and ensure that it is calibrated correctly

  12. 12.Use a multimeter to test the TPS and look for any irregularities in the voltage output

  13. 13.Scan for Additional Codes

  14. 14.Use an OBD-II scanner to check for any other related trouble codes that may provide more insight into the issue

  15. 15.Address any additional codes that may be present

  16. 16.Check the Cruise Control Module

  17. 17.If all other components appear to be functioning correctly, the cruise control module itself may be faulty

  18. 18.Consult the vehicle’s service manual for testing procedures specific to the cruise control module

  19. 19.Inspect Fuses

  20. 20.Check the fuses related to the cruise control system. A blown fuse can cause the system to malfunction

  21. 21.Replace any blown fuses and retest the system

  22. 22.Test the Vehicle’s Battery and Charging System

  23. 23.Ensure that the vehicle’s battery is in good condition and that the charging system is functioning properly. Low voltage can affect electronic systems, including cruise control

  24. 24.Clear the Code and Test Drive

  25. 25.After performing the necessary repairs, clear the trouble code using an OBD-II scanner

  26. 26.Take the vehicle for a test drive to see if the code reappears and if the cruise control system operates correctly

  27. 27.Consult a Professional

  28. 28.If you are unable to resolve the issue after performing these steps, it may be best to consult a professional mechanic or technician who has experience with cruise control systems. By following these troubleshooting steps, you should be able to identify and resolve the issue causing the P0582 code