Engine-CodesChevrolet – P1585 Chevrolet

P1585 Chevrolet Code - Cruise Control Inhibit Output Circuit Conditions

Quick Answer

The P1585 code in a Chevrolet vehicle indicates an issue with the Cruise Control Inhibit Output Circuit Conditions. Common causes include Faulty wiring or connections in the cruise control system, Malfunctioning cruise control module, Blown fuse related to the cruise control system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1585 Chevrolet indicates Cruise Control Inhibit Output Circuit Conditions.
Common causes
Common causes include Faulty wiring or connections in the cruise control system, Malfunctioning cruise control module, Blown fuse related to the cruise control system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1585 Chevrolet Description

The P1585 code in a Chevrolet vehicle indicates an issue with the Cruise Control Inhibit Output Circuit Conditions. This means that the system responsible for controlling the cruise control function is experiencing a malfunction or disruption. Cruise control is a feature that allows the driver to set a constant speed for the vehicle, which can be convenient for long highway drives. When this circuit is inhibited, the cruise control system may not function properly or may be completely disabled.

OBDII Code P1585 Chevrolet - Cruise Control Inhibit Output Circuit Conditions
P1585 Chevrolet Code - Cruise Control Inhibit Output Circuit Conditions

Common Causes of P1585 Chevrolet

  1. Faulty wiring or connections in the cruise control system
  2. Malfunctioning cruise control module
  3. Blown fuse related to the cruise control system
  4. Issue with the brake switch affecting cruise control operation
  5. Electronic control unit (ECU) malfunction

Symptoms of P1585 Chevrolet

  1. Inoperative cruise control function
  2. Cruise control engages but disengages unexpectedly
  3. Illumination of the check engine light
  4. Vehicle speed may fluctuate erratically
  5. Vehicle may not maintain set speed on cruise control

How to Fix P1585 Chevrolet

  1. Begin by conducting a thorough inspection of the cruise control system wiring, connections, and components for any visible signs of damage or wear.
  2. Test the cruise control module to determine if it is functioning correctly or needs replacement.
  3. Check and replace any blown fuses related to the cruise control system.
  4. Inspect the brake switch for proper operation and replace if necessary.
  5. Clear the diagnostic trouble codes from the vehicle's ECU and test the cruise control system to ensure proper functionality.

Cost to Fix P1585 Chevrolet

The cost of repairing the Cruise Control Inhibit Output Circuit Conditions code in a Chevrolet vehicle can vary depending on the specific cause of the issue and the parts required for the repair. On average, the repair costs for this type of issue can range from $100 to $500, including parts and labor. However, it is important to note that the actual cost may be higher or lower based on the extent of the problem and the rates charged by auto repair shops. It is recommended to consult with a qualified mechanic or dealership for a more accurate estimate based on your vehicle's make and model.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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