AutoCodes – Ford – C1745 Ford

C1745 Ford Code - Front Sounder Circuit Short 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: C1745 Ford indicates Front Sounder Circuit Short 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 801

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 C1745 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 C1745 Ford - Front Sounder Circuit Short Battery - AutoCodes.com — C1745 Ford Code - Front Sounder Circuit Short Battery

What does this mean?

What are the Possible Causes of the DTC C1745 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 C1745 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 C1745 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.

Need more information about the C1745 Ford code?

Need more information on how to fix the C1745 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1745 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 C1745 Ford Code

1. What are the common symptoms of OBDII code C1745 in a Ford vehicle?

- Common symptoms include the front sounder not working properly, an illuminated airbag warning light on the dashboard, and potential issues with the vehicle's airbag system.

2. What can cause the OBDII code C1745 to trigger in a Ford?

- The code C1745 typically triggers due to a short circuit in the front sounder circuit, often caused by damaged wiring, a faulty front sounder unit, or a malfunction in the airbag control module.

3. How can I diagnose the front sounder circuit short battery issue in my Ford?

- To diagnose the problem, you can use an OBDII scanner to read the trouble code C1745. Additionally, you can visually inspect the wiring and connectors related to the front sounder circuit for any signs of damage.

4. Is it safe to continue driving my Ford with the C1745 fault code?

- It is not recommended to drive the vehicle with an active airbag fault code like C1745, as it indicates a potential issue with the airbag system that could affect its proper deployment in case of an accident.

5. Can I repair the front sounder circuit short battery issue in my Ford at home?

- While some DIY enthusiasts may attempt to repair the issue themselves by checking wiring and connections, it is recommended to have a professional diagnose and repair the problem to ensure the airbag system's safety and effectiveness.

6. How much does it typically cost to fix the front sounder circuit short battery problem in a Ford?

- The cost of repairing the C1745 fault code can vary depending on the root cause of the issue, but it may involve replacing damaged wiring, the front sounder unit, or the airbag control module, which could range from a few hundred to over a thousand dollars.

7. Can resetting the OBDII code C1745 make it go away permanently?

- Resetting the fault code may temporarily clear the warning light, but if the underlying issue causing the C1745 code is not addressed, it is likely to reappear once the system detects the problem again.

8. Will fixing the front sounder circuit short battery issue affect my vehicle's warranty?

- If your vehicle is still under warranty, it is recommended to have the issue diagnosed and repaired by an authorized service center to avoid voiding any existing warranties related to the airbag system.

9. How long does it take to repair the OBDII code C1745 in a Ford?

- The repair time for the C1745 fault code can vary depending on the exact cause of the issue and the availability of parts. It may take a few hours to a full day for a professional technician to diagnose and repair the problem.

10. Are there any safety concerns associated with driving a Ford with the C1745 fault code?

- Yes, there are safety concerns associated with driving a vehicle with an active airbag fault code like C1745, as it indicates a potential issue with the airbag system that could compromise its proper functioning in the event of a collision.