AutoCodes – Lincoln – B1451 Lincoln

B1451 Lincoln Code - Wiper Wash/Delay Switch Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Wiper Wash/Delay Switch. Common causes include Faulty Wiper Wash/Delay Switch, Wiper Wash/Delay Switch harness is open or shorted, Wiper Wash/Delay Switch 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: B1451 Lincoln indicates Wiper Wash/Delay Switch Circuit Open.
Common causes: Common causes include Faulty Wiper Wash/Delay Switch, Wiper Wash/Delay Switch harness is open or shorted, Wiper Wash/Delay Switch 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 763

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1451 Lincoln Description

The Body Control Module (BCM) monitors the Wiper Wash/Delay Switch. The BCM sets the OBDII code when the Wiper Wash/Delay Switch is not to factory specifications.

OBDII Code B1451 Lincoln - Wiper Wash/Delay Switch Circuit Open - AutoCodes.com — B1451 Lincoln Code - Wiper Wash/Delay Switch Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1451 Lincoln?

Faulty Wiper Wash/Delay Switch
Wiper Wash/Delay Switch harness is open or shorted
Wiper Wash/Delay Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1451 Lincoln?

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 B1451 Lincoln 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 B1451 Lincoln code?

Need more information on how to fix the B1451 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1451 Lincoln code diagnosed by a professional: Find a repair shop in your area

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 B1451 Lincoln Code

1. What are the common symptoms of OBDII code B1451 in a Lincoln related to the wiper wash/delay switch circuit open?

The common symptoms include inoperative wiper washers, malfunctioning wiper delay function, and possible issues with the wiper control system.

2. What are the possible causes of the OBDII code B1451 in a Lincoln indicating a wiper wash/delay switch circuit open?

The code B1451 in a Lincoln can be triggered by a faulty wiper switch, damaged wiring in the wiper system, or a defective wiper module.

3. How can I diagnose the OBDII code B1451 in my Lincoln related to the wiper wash/delay switch circuit open?

To diagnose the issue, you can start by checking the wiring connections, testing the wiper switch for continuity, and inspecting the wiper control module for any signs of damage.

4. Is it safe to continue driving my Lincoln with the OBDII code B1451 indicating a wiper wash/delay switch circuit open?

It is not recommended to drive your Lincoln with this issue as it can affect the proper functioning of your wiper system, compromising visibility during inclement weather conditions.

5. How can I repair the OBDII code B1451 in my Lincoln caused by a wiper wash/delay switch circuit open?

Repairing the issue involves fixing or replacing the faulty wiper switch, repairing damaged wiring, or replacing the wiper control module as needed.

6. Can I reset the OBDII code B1451 in my Lincoln related to the wiper wash/delay switch circuit open by disconnecting the battery?

While disconnecting the battery may clear the code temporarily, it is important to diagnose and fix the underlying issue to prevent the code from reoccurring.

7. Are there any preventive maintenance tips to avoid the OBDII code B1451 in a Lincoln due to a wiper wash/delay switch circuit open?

Regularly inspecting the wiper system, addressing any issues promptly, and ensuring proper maintenance can help prevent the occurrence of this code.

8. Do I need special tools to repair the OBDII code B1451 in my Lincoln caused by a wiper wash/delay switch circuit open?

Basic tools such as a multimeter, wiring diagram, and basic hand tools may be required to diagnose and repair the wiper system related to this OBDII code.

9. Can extreme weather conditions contribute to triggering the OBDII code B1451 in a Lincoln related to a wiper wash/delay switch circuit open?

Extreme weather conditions like heavy rain, snow, or ice can potentially exacerbate existing issues in the wiper system, leading to the triggering of this OBDII code.

10. How long does it typically take to repair the OBDII code B1451 in a Lincoln caused by a wiper wash/delay switch circuit open?

The repair time can vary depending on the exact cause of the issue, but in general, it may take a few hours to a day to diagnose and fix the problem related to this OBDII code.