AutoCodes – Mercury – P1565 Mercury

P1565 Mercury Code - Speed Control Command Switch Out of Range High

Quick Answer

P1565 Mercury indicates Speed Control Command Switch Out of Range High. Common causes include Faulty Speed Control Command Switch, Speed Control Command Switch harness is open or shorted, Speed Control Command Switch circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1565 Mercury indicates Speed Control Command Switch Out of Range High.
Common causes: Common causes include Faulty Speed Control Command Switch, Speed Control Command Switch harness is open or shorted, Speed Control Command Switch circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 1,996

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1565 Mercury Description

OBDII Code P1565 Mercury - Speed Control Command Switch Out of Range High - AutoCodes.com — P1565 Mercury Code - Speed Control Command Switch Out of Range High

What does this mean?

What are the Possible Causes of the DTC P1565 Mercury?

Faulty Speed Control Command Switch
Speed Control Command Switch harness is open or shorted
Speed Control Command Switch circuit poor electrical connection

How to Fix the DTC P1565 Mercury?

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 P1565 Mercury 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.