AutoCodes – Generic – P0527

P0527 Code - Fan Speed Sensor Circuit Range/Performance

Quick Answer

P0527 indicates Fan Speed Sensor Circuit Range/Performance. Common causes include Faulty Fan Speed Sensor, Fan Speed Sensor harness is open or shorted, Fan Speed Sensor 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: P0527 indicates Fan Speed Sensor Circuit Range/Performance.
Common causes: Common causes include Faulty Fan Speed Sensor, Fan Speed Sensor harness is open or shorted, Fan Speed Sensor 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 8,917

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 Aug 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0527 Description

OBDII Code P0527 - Fan Speed Sensor Circuit Range/Performance - AutoCodes.com — P0527 Code - Fan Speed Sensor Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P0527?

Faulty Fan Speed Sensor
Fan Speed Sensor harness is open or shorted
Fan Speed Sensor circuit poor electrical connection

How to Fix the DTC P0527?

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 P0527 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 P0527 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.