Engine-CodesChevrolet – P1581 Chevrolet

P1581 Chevrolet Code - Cruise Control Module Move Circuit High Input Conditions

Quick Answer

The P1581 code for Chevrolet vehicles indicates a Cruise Control Module Move Circuit High Input Conditions. Common causes include Faulty cruise control module, Damaged wiring or connectors, Defective cruise control switch. 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
P1581 Chevrolet indicates Cruise Control Module Move Circuit High Input Conditions.
Common causes
Common causes include Faulty cruise control module, Damaged wiring or connectors, Defective cruise control switch.
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 07, 2024
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Code P1581 Chevrolet Description

The P1581 code for Chevrolet vehicles indicates a Cruise Control Module Move Circuit High Input Conditions. This means that the powertrain control module (PCM) has detected a high voltage input signal from the cruise control module, which is not within the expected range. The cruise control module is responsible for maintaining the vehicle's speed automatically without the driver having to apply constant pressure on the gas pedal. When this code is triggered, it can affect the proper functioning of the cruise control system, leading to issues with maintaining a constant speed and potentially causing erratic vehicle behavior.

OBDII Code P1581 Chevrolet - Cruise Control Module Move Circuit High Input Conditions
P1581 Chevrolet Code - Cruise Control Module Move Circuit High Input Conditions

Common Causes of P1581 Chevrolet

  1. Faulty cruise control module
  2. Damaged wiring or connectors
  3. Defective cruise control switch
  4. PCM malfunction
  5. Electrical issues within the cruise control system

Symptoms of P1581 Chevrolet

  1. Cruise control not engaging or maintaining speed properly
  2. Check Engine Light illuminated
  3. Erratic vehicle speed fluctuations
  4. Loss of cruise control functionality
  5. Vehicle jerking or surging while using cruise control

How to Fix P1581 Chevrolet

  1. Begin by using a scan tool to retrieve the fault codes and identify the specific issue.
  2. Inspect the cruise control module, wiring, and connectors for any signs of damage or corrosion.
  3. Test the cruise control switch for proper functionality.
  4. If necessary, replace the faulty cruise control module or repair any damaged wiring.
  5. Clear the fault codes and test the cruise control system to ensure proper operation.

Cost to Fix P1581 Chevrolet

The cost of repairing a P1581 code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, the cost of parts for this repair can range from $100 to $300, with labor costs adding an additional $100 to $200. Overall, you can expect to pay anywhere from $200 to $500 for resolving this issue. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic to get a more accurate cost estimate for your specific situation.

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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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