AutoCodes – Generic – U0524

U0524 Code - Invalid Data Received From Door Window Motor 'B'

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Door Window Motor 'B', Door Window Motor 'B' harness is open or shorted, Door Window Motor 'B' 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: U0524 indicates Invalid Data Received From Door Window Motor 'B'.
Common causes: Common causes include Faulty Door Window Motor 'B', Door Window Motor 'B' harness is open or shorted, Door Window Motor 'B' 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 1,408

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 Apr 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0524 Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Door Window Motor 'B' causing its integrity to be questioned.

OBDII Code U0524 - Invalid Data Received From Door Window Motor 'B' - AutoCodes.com — U0524 Code - Invalid Data Received From Door Window Motor 'B'

What does this mean?

What are the Possible Causes of the DTC U0524?

Faulty Door Window Motor 'B'
Door Window Motor 'B' harness is open or shorted
Door Window Motor 'B' circuit poor electrical connection

How to Fix the DTC U0524?

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 U0524 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.

Frequently Asked Questions about U0524 Code

1. What does the OBDII code U0524 mean?

U0524 indicates that the vehicle’s control module has received invalid or corrupted data from Door Window Motor 'B'.

2. What are the common symptoms of code U0524?

Common symptoms include inoperative or malfunctioning power windows, unusual window movement, or a warning light on the dashboard.

3. What causes the U0524 code to appear?

Causes may include a faulty door window motor, damaged wiring or connectors, software issues in the control module, or electrical interference.

4. How do I diagnose the U0524 code?

Diagnose by inspecting the wiring and connectors for damage, checking for software updates, and testing the door window motor for proper operation.

5. Can I still drive my car with code U0524?

Yes, but depending on the severity of the issue, your power windows may not function properly, which could be inconvenient or a safety concern.

6. How do I fix the U0524 code?

Repairs may involve replacing the door window motor, repairing or replacing damaged wiring, or updating the vehicle’s software.

7. How much does it cost to fix a U0524 code?

Repair costs can vary widely, ranging from $50 to $500, depending on whether the issue is related to wiring, software, or motor replacement.

8. Can a blown fuse cause the U0524 code?

A blown fuse for the power windows could contribute to communication issues, so it’s worth checking the fuse box during diagnosis.

9. What is Door Window Motor 'B'?

Door Window Motor 'B' typically refers to a specific window motor, often on the rear or passenger side, depending on the vehicle.

10. Is the U0524 code specific to one type of vehicle?

No, U0524 is a generic OBDII code, but its specifics may vary depending on the make and model of your vehicle. Always consult your vehicle’s repair manual.