AutoCodes – Ford – C1743 Ford

C1743 Ford Code - Rear Sounder Circuit Short To Battery

Quick Answer

The system can be disabled by the parking aid switch. Common causes include Faulty Parking Aid Speaker, Parking Aid Speaker harness is open or shorted, Parking Aid Speaker 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: C1743 Ford indicates Rear Sounder Circuit Short To Battery.
Common causes: Common causes include Faulty Parking Aid Speaker, Parking Aid Speaker harness is open or shorted, Parking Aid Speaker 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 1,606

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 Nov 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1743 Ford Description

The system can be disabled by the parking aid switch. A 750 Hz variable warning tone is generated from a parking aid speaker. The parking aid speaker increases the warning tone rate as the vehicle gets closer to an obstacle.

OBDII Code C1743 Ford - Rear Sounder Circuit Short To Battery - AutoCodes.com — C1743 Ford Code - Rear Sounder Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC C1743 Ford?

Faulty Parking Aid Speaker
Parking Aid Speaker harness is open or shorted
Parking Aid Speaker circuit poor electrical connection
Faulty Parking Aid Module

How to Fix the DTC C1743 Ford?

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 C1743 Ford 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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Need more information on how to fix the C1743 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1743 Ford 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 C1743 Ford Code

1. What are the common symptoms of OBDII code C1743 Ford (Rear Sounder Circuit Short To Battery)?

The common symptoms of this code may include an illuminated check engine light, an audible warning sound from the rear of the vehicle, and potential issues with the vehicle's alarm system.

2. What are the possible causes of OBDII code C1743 Ford?

Possible causes of this code include a short circuit in the rear sounder wiring, a faulty rear sounder module, or a problem with the vehicle's electrical system.

3. How can I diagnose the issue related to OBDII code C1743 Ford?

Diagnosing the issue may involve using a scan tool to retrieve the trouble codes, inspecting the rear sounder wiring for any visible damage, and testing the rear sounder module for proper functionality.

4. Can I still drive my vehicle with OBDII code C1743 Ford present?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent any potential issues with the vehicle's alarm system.

5. How can I repair OBDII code C1743 Ford (Rear Sounder Circuit Short To Battery)?

Repairing this code may involve repairing or replacing any damaged wiring in the rear sounder circuit, replacing the rear sounder module if necessary, and clearing the trouble codes from the vehicle's system.

6. Will resetting the trouble codes make OBDII code C1743 Ford go away permanently?

Resetting the trouble codes may clear the check engine light temporarily, but if the underlying issue causing the code is not addressed, the code is likely to reappear.

7. Is it possible to prevent OBDII code C1743 Ford from occurring in the future?

Regular maintenance checks, ensuring proper wiring connections, and addressing any electrical issues promptly can help prevent this code from occurring in the future.

8. Can a DIY enthusiast fix OBDII code C1743 Ford at home?

DIY enthusiasts with the necessary tools and experience working on automotive electrical systems may be able to diagnose and repair this code at home, but professional help is recommended for complex issues.

9. How much does it cost to repair OBDII code C1743 Ford at a repair shop?

The cost of repairing this code at a repair shop can vary depending on the extent of the damage, the cost of replacement parts, and the labor rates of the shop. It is advisable to get a quote from a trusted repair shop.

10. Are there any recalls or technical service bulletins related to OBDII code C1743 Ford?

It is recommended to check with a Ford dealership or visit the NHTSA website to see if there are any recalls or technical service bulletins related to this specific OBDII code for your vehicle.