AutoCodes – Generic – P0528

P0528 Code - Fan Speed Sensor Circuit No Signal

Quick Answer

P0528 indicates Fan Speed Sensor Circuit No Signal. 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: P0528 indicates Fan Speed Sensor Circuit No Signal.
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 9,595

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 21, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code P0528 Description

OBDII Code P0528 - Fan Speed Sensor Circuit No Signal - AutoCodes.com — P0528 Code - Fan Speed Sensor Circuit No Signal

What does this mean?

What are the Possible Causes of the DTC P0528?

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

How to Fix the DTC P0528?

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 does this mean?

Code Tech Notes

The Powertrain Control Module (PCM) has detected an incorrect input from the Fan Speed Sensor (FSS)

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0528 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 P0528 code?

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Need Help with the Code?

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Information for Specific Makes

P0528 Dodge — Fan Speed Sensor Circuit No Signal
P0528 Ford — Fan Speed Sensor Circuit No Signal

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.