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Engine-Codes – Generic – P1581

P1581 Code - Cruise Control Module Move Circuit High Input Conditions

Quick Answer

The P1581 diagnostic trouble code (DTC) refers to the Cruise Control Module Move Circuit High Input Conditions. Common causes include Faulty cruise control module, Damaged wiring or connectors in the cruise control circuit, Defective clockspring in the steering wheel. 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 indicates Cruise Control Module Move Circuit High Input Conditions.
Common causes
Common causes include Faulty cruise control module, Damaged wiring or connectors in the cruise control circuit, Defective clockspring in the steering wheel.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1581 Description

The P1581 diagnostic trouble code (DTC) refers to the Cruise Control Module Move Circuit High Input Conditions. This code indicates that there is a problem with the cruise control system in the vehicle. The cruise control system allows the driver to set a desired speed for the vehicle, which is then maintained automatically without the need to constantly press the accelerator pedal. When this code is triggered, it means that the control module is detecting a higher than normal voltage input in the circuit related to the cruise control system.

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

Common Causes of P1581

  1. Faulty cruise control module.
  2. Damaged wiring or connectors in the cruise control circuit.
  3. Defective clockspring in the steering wheel.
  4. Corrosion or moisture in the cruise control system components.
  5. Electrical issues within the vehicle's system.

Symptoms of P1581

  1. Inability to engage or maintain cruise control.
  2. Cruise control setting not holding or dropping unexpectedly.
  3. Dashboard warning light related to cruise control system.
  4. Vehicle speed fluctuation during cruise control operation.
  5. Loss of acceleration control while using cruise control.

How to Fix P1581

  1. Begin by diagnosing the specific cause of the P1581 code using a scan tool to identify the exact issue within the cruise control system.
  2. Inspect the cruise control module, wiring, and connectors for any visible damage or corrosion. Replace any components that are found to be faulty.
  3. Check the clockspring in the steering wheel for proper functioning and replace if necessary.
  4. Clear the DTC from the vehicle's memory using the scan tool after the repair has been completed.
  5. Test drive the vehicle to ensure that the cruise control system is now functioning correctly.

Cost to Fix P1581

The typical repair costs for addressing the P1581 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair could range from $100 to $300, while the labor cost may range from $100 to $200. Overall, the total repair cost for this issue could fall between $200 and $500. However, actual prices may vary based on factors such as location, vehicle make and model, and the labor rates of the auto repair shop. It is advisable to obtain a detailed quote from a trusted mechanic before proceeding with the repair.

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Code P1581 Information for Specific Makes

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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