AutoCodes – Chevrolet – P1566 Chevrolet

P1566 Chevrolet Code - Cruise Control System Engine RPM Too High

Quick Answer

P1566 Chevrolet indicates Cruise Control System Engine RPM Too High. Common causes include Faulty Cruise Control System, Cruise Control System harness is open or shorted, Cruise Control System 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: P1566 Chevrolet indicates Cruise Control System Engine RPM Too High.
Common causes: Common causes include Faulty Cruise Control System, Cruise Control System harness is open or shorted, Cruise Control System 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 3,117

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 P1566 Chevrolet Description

OBDII Code P1566 Chevrolet - Cruise Control System Engine RPM Too High - AutoCodes.com — P1566 Chevrolet Code - Cruise Control System Engine RPM Too High

What does this mean?

What are the Possible Causes of the DTC P1566 Chevrolet?

Faulty Cruise Control System
Cruise Control System harness is open or shorted
Cruise Control System circuit poor electrical connection

How to Fix the DTC P1566 Chevrolet?

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 P1566 Chevrolet 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.

Need more information about the P1566 Chevrolet code?

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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.