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What Does P0596 Code Mean?

    OBD-II Code P0596 is defined as a Cruise Control Servo Control Circuit High

    The cruise control servo is electronically controlled by the engine computer (PCM). This servo controls the vacuum that activates and deactivates the cruise control system. If the Cruise Control Servo does not operate as requested by the PCM, code P0596 will set.

    P0596 Symptoms

    • Cruise control will not operate

    Common Problems That Trigger the P0596 Code

    • Cruise control relay failure
    • Cruise control servo failure
    • Wiring issue
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