AutoCodes – Buick – P1581 Buick

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

Quick Answer

The Powertrain Control Module (PCM) detected under 3v on the Cruise Move circuit with Quad Driver turned off. Common causes include Faulty Cruise Control Module, Cruise Control Module harness open or shorted, Cruise Control Module circuit poor electrical connection. 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 Buick indicates Cruise Control Module Move Circuit High Input Conditions.
Common causes: Common causes include Faulty Cruise Control Module, Cruise Control Module harness open or shorted, Cruise Control Module circuit poor electrical connection.
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.

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Code Popularity 2,697

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 18, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1581 Buick Description

The Powertrain Control Module (PCM) detected under 3v on the Cruise Move circuit with Quad Driver turned off.

OBDII Code P1581 Buick - Cruise Control Module Move Circuit High Input Conditions - AutoCodes.com — P1581 Buick Code - Cruise Control Module Move Circuit High Input Conditions

What does this mean?

What are the Possible Causes of the DTC P1581 Buick?

Faulty Cruise Control Module
Cruise Control Module harness open or shorted
Cruise Control Module circuit poor electrical connection

How to Fix the DTC P1581 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1581 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.