AutoCodes – Generic – B1449

B1449 Code - Wiper Park Sense Circuit Short To Ground

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: B1449 indicates Wiper Park Sense Circuit Short To Ground.
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 10,593

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 B1449 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 B1449 - Wiper Park Sense Circuit Short To Ground - AutoCodes.com — B1449 Code - Wiper Park Sense Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1449?

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 B1449?

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 B1449 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 B1449 code?

Need more information on how to fix the B1449 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1449 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1449 Hyundai — Passenger Occupant Classification System Communication Error
B1449 KIA — Passenger Occupant Classification System Communication Error

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 B1449 Code

1. What are the common symptoms of OBDII code B1449 (Wiper Park Sense Circuit Short To Ground)?

- Common symptoms include malfunctioning windshield wipers, wipers not returning to the park position, and possible illumination of the wiper system warning light on the dashboard.

2. What are the possible causes of OBDII code B1449?

- Possible causes may include damaged or shorted wiring in the wiper park sense circuit, a faulty wiper motor, a defective wiper control module, or a malfunctioning wiper relay.

3. How can I diagnose the source of the Wiper Park Sense Circuit Short To Ground issue?

- To pinpoint the issue, you can perform a visual inspection of the wiper system wiring, test the wiper motor functionality, check the wiper control module for faults, and use a multimeter to test for shorts in the circuit.

4. Can I still drive my vehicle with OBDII code B1449 present?

- It is not recommended to drive your vehicle with this code as it can lead to unpredictable wiper behavior, impacting visibility and safety during inclement weather conditions.

5. How can I repair OBDII code B1449 myself?

- Depending on the exact cause, you may need to repair or replace damaged wiring, the wiper motor, the wiper control module, or the wiper relay. It is recommended to consult a professional if you are unsure about the repair process.

6. Is it safe to continue using the windshield wipers if OBDII code B1449 triggers?

- It is not safe to use the windshield wipers if the system is not functioning properly due to the risk of them not operating correctly when needed, especially during rain or snow.

7. Will resetting the OBDII code B1449 resolve the issue?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Wiper Park Sense Circuit Short To Ground issue.

8. How much does it typically cost to repair OBDII code B1449 at a professional auto repair shop?

- The cost of repairs can vary depending on the exact cause of the issue and the rates of the repair shop, but it can range from a few hundred to over a thousand dollars.

9. Can extreme weather conditions contribute to triggering OBDII code B1449?

- Yes, extreme weather conditions like heavy rain, snow, or ice can sometimes exacerbate issues with the wiper park sense circuit, leading to the triggering of OBDII code B1449.

10. Are there any preventive maintenance tips to avoid encountering OBDII code B1449 in the future?

- Regularly inspecting and maintaining the wiper system, checking for any signs of wear or damage, and addressing issues promptly can help prevent the occurrence of OBDII code B1449 in the future.