AutoCodes – Generic – B1447

B1447 Code - Wiper Park Sense Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Wiper Park Sense. Common causes include Faulty Wiper Park Sense, Wiper Park Sense harness is open or shorted, Wiper Park Sense 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: B1447 indicates Wiper Park Sense Circuit Open.
Common causes: Common causes include Faulty Wiper Park Sense, Wiper Park Sense harness is open or shorted, Wiper Park Sense 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 9,401

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 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1447 Description

The Body Control Module (BCM) monitors the Wiper Park Sense. The BCM sets the OBDII code when the Wiper Park Sense is not to factory specifications.

OBDII Code B1447 - Wiper Park Sense Circuit Open - AutoCodes.com — B1447 Code - Wiper Park Sense Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1447?

Faulty Wiper Park Sense
Wiper Park Sense harness is open or shorted
Wiper Park Sense circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1447?

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 B1447 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 B1447 code?

Need more information on how to fix the B1447 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1447 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1447 Buick — Backup Power Source
B1447 Cadillac — Backup Power Source
B1447 Chevrolet — Backup Power Source
B1447 GMC — Backup Power Source
B1447 Pontiac — Backup Power Source
B1447 Saturn — Backup Power Source

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 B1447 Code

1. What are the common symptoms of OBDII code B1447, Wiper Park Sense Circuit Open?

The common symptoms of code B1447 include malfunctioning wiper park functionality, wipers not returning to the correct position, and potential issues with the wiper motor.

2. What can cause the Wiper Park Sense Circuit Open fault code B1447?

This code is typically triggered by a fault in the wiper park sense circuit, which can be caused by damaged wiring, a faulty wiper motor, or a defective wiper park sensor.

3. How can I diagnose the Wiper Park Sense Circuit Open issue causing OBDII code B1447?

To diagnose this issue, you can perform a visual inspection of the wiper system components, check the wiring for any damage, test the wiper motor, and verify the operation of the wiper park sensor.

4. Can a DIY enthusiast repair the Wiper Park Sense Circuit Open fault code B1447?

Depending on your level of automotive repair experience, you may be able to repair the Wiper Park Sense Circuit Open issue yourself by replacing damaged wiring, the wiper park sensor, or the wiper motor. However, professional diagnosis and repair may be required for more complex issues.

5. Are there any quick tips to troubleshoot OBDII code B1447, Wiper Park Sense Circuit Open?

Quick troubleshooting tips include checking the wiper fuse, inspecting the wiper motor connections, ensuring the wiper blades move freely, and testing the wiper park sensor for proper operation.

6. What are the potential risks of ignoring OBDII code B1447, Wiper Park Sense Circuit Open?

Ignoring this code may lead to continued wiper malfunction, potentially affecting visibility during adverse weather conditions and compromising overall driving safety.

7. Can extreme weather conditions affect the Wiper Park Sense Circuit Open fault code B1447?

Yes, extreme weather conditions such as heavy rain, snow, or ice can put additional strain on the wiper system, potentially exacerbating issues related to the wiper park sense circuit.

8. Is there a common fix for resolving OBDII code B1447, Wiper Park Sense Circuit Open?

A common fix for this code involves repairing or replacing any damaged wiring, addressing issues with the wiper motor, and ensuring proper functioning of the wiper park sensor to restore normal wiper operation.

9. How long does it typically take to repair OBDII code B1447, Wiper Park Sense Circuit Open?

The repair time for this code can vary depending on the exact cause of the issue and the complexity of the repair. Simple fixes like replacing a fuse may take minutes, while more involved repairs could take several hours.

10. Are there any recalls or technical service bulletins related to OBDII code B1447, Wiper Park Sense Circuit Open?

It is advisable to check with the vehicle manufacturer or a trusted automotive repair database to see if there are any recalls or technical service bulletins related to the Wiper Park Sense Circuit Open fault code B1447 for your specific vehicle make and model.