WOMS
P code powertrain Medium severity

P1583 Electronic Throttle Monitor Cruise Disable

The OBD2 code P1583 indicates a malfunction in the electronic throttle control system that disables the cruise control function

Definition

The OBD2 code P1583 indicates a malfunction in the electronic throttle control system that disables the cruise control function

Common causes

  • Faulty throttle position sensor
  • Malfunctioning cruise control system
  • Wiring issues or damaged connectors
  • Faulty electronic throttle control module
  • Vacuum leaks
  • Malfunctioning accelerator pedal position sensor
  • Software issues or updates needed in the engine control module (ECM)

Common misdiagnoses

  • Throttle position sensor issues
  • Accelerator pedal position sensor problems
  • Faulty cruise control switch
  • Wiring or connector issues
  • Engine control module (ECM) faults
  • Vacuum leaks
  • Malfunctioning throttle body
  • Software glitches in the vehicle's computer system

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other trouble codes that may be present. Sometimes, multiple codes can provide more context for the issue

  2. 2. Inspect Throttle Body and Sensors

  3. 3. Check the throttle body for any signs of dirt, carbon buildup, or physical damage. Clean it if necessary

  4. 4. Inspect the throttle position sensor (TPS) for proper operation. Ensure that it is securely connected and free of damage

  5. 5. Examine Wiring and Connectors

  6. 6. Inspect the wiring and connectors related to the throttle control system for any signs of wear, corrosion, or damage. Look for loose connections or broken wires

  7. 7. Check Cruise Control System

  8. 8. Ensure that the cruise control system is functioning properly. Check the cruise control switch and any related components for faults

  9. 9. Verify that the brake pedal switch is working correctly, as a malfunctioning switch can disable cruise control

  10. 10. Inspect the Accelerator Pedal Position Sensor

  11. 11. Check the accelerator pedal position sensor for proper operation. Ensure that it is functioning correctly and that there are no issues with its wiring

  12. 12. Test the Electronic Control Module (ECM)

  13. 13. If all other components appear to be functioning correctly, the issue may lie with the ECM. Check for software updates or reprogramming needs

  14. 14. Clear Codes and Test Drive

  15. 15. After performing any repairs or adjustments, clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code reappears

  16. 16. Refer to the vehicle's service manual for specific diagnostic procedures and specifications related to the electronic throttle control and cruise control systems

  17. 17. Professional Diagnosis

  18. 18. If the issue persists after performing the above steps, consider seeking help from a professional mechanic or technician who has experience with electronic throttle control systems. By following these steps, you should be able to identify and resolve the issue related to the P1583 code