P0570 Fault Code

P0570 OBD-II Trouble Code Short Description

Cruise Control Accel Signal Malfunction

What does trouble code P0570 mean?

The P0570 fault code indicates a malfunction in the cruise control accelerator signal. This system monitors the accelerator pedal position to maintain vehicle speed during cruise control operations. A malfunction can prevent the cruise control from functioning properly or trigger a check engine light.

Symptoms

What are the symptoms of the P0570 code?

  • Cruise control may not engage, disengage unexpectedly, or operate erratically.
  • Check engine light illuminated on the dashboard.
  • Difficulty maintaining speed without manual throttle adjustment.
  • Inconsistent acceleration behavior while cruise control is active.

Causes

What causes the P0570 code?

  • Damaged or corroded wiring in the accelerator pedal position sensor circuit.
  • Faulty accelerator pedal position sensor itself that sends incorrect signals.
  • Issues with the cruise control module affecting its ability to receive or interpret signals.
  • Poor connections or shorts in the related wiring harness.
  • Software issues in the vehicle's engine control unit (ECU).

Possible Solutions

How to fix P0570?

  • Inspect wiring and connectors for damage or corrosion. Repair as necessary.
  • Test the accelerator pedal position sensor for proper function and replace if faulty.
  • Check the cruise control module and reprogram or replace if required.
  • Clear the DTC codes and conduct a test drive to verify that the issue has been resolved.