Code result

P0594

Cruise Control Servo Control Circuit Open

Moderate severity

What it means

The servo motor that drives the cruise control throttle actuator has an open control circuit. The ECU cannot drive the servo - cruise control is unavailable.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Open in motor or harness

    high

    One of the most commonly reported causes for this code — check this first.

  • Pin pushed back out of connector body

    low

    Less common, but worth ruling out after the more likely causes.

  • Cracked solder joint inside the module or sensor

    low

    Less common, but worth ruling out after the more likely causes.

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