Code Definition

P0568 — Cruise Control Set Signal Malfunction

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0568

P0568 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0568 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The P0568 fault code is set when the Engine Control Module (ECM) detects a malfunction in the cruise control set signal. This signal is a crucial part of the cruise control system and is typically generated when the driver activates the set function to establish a desired cruising speed. The ECM uses this signal to maintain the vehicle's speed as set by the driver. A malfunction in the set signal circuit can lead to issues with engaging or maintaining the cruise control at the set speed. Causes for this malfunction can include problems with the cruise control switches or buttons, wiring or con...

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