P0591Low SeverityEngine

Cruise Control Vacuum Control Circuit Range/Performance

What This Means

The cruise control vacuum control solenoid readings are outside expected range. This solenoid manages vacuum supply to the cruise control servo.

Common Symptoms

Cruise control inoperative
Speed surging
No cruise set
Check engine light on

Common Causes

Failed solenoid
Vacuum leak
Wiring damage
Connector issue
PCM driver failure

Estimated Repair Cost

$75 – $350

Parts and labor (varies by vehicle and location)

Difficulty:Easy

Need This Fixed?

Find certified mechanics near you who can diagnose and repair P0591.

Find a Shop Near You

Search Another Code

For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.