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Engine-Codes – Mercury – B2373 Mercury

B2373 Mercury Code - Parking Aid System LED Circuit Short to Battery

Quick Answer

The B2373 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the Parking Aid System LED Circuit being shorted to the battery. Common causes include Wiring damage or corrosion affecting the LED Circuit, Faulty LED display unit, Water intrusion into the Parking Aid System components. 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
B2373 Mercury indicates Parking Aid System LED Circuit Short to Battery.
Common causes
Common causes include Wiring damage or corrosion affecting the LED Circuit, Faulty LED display unit, Water intrusion into the Parking Aid System components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B2373 Mercury Description

The B2373 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the Parking Aid System LED Circuit being shorted to the battery. The Parking Aid System is designed to assist drivers in parking by providing visual and/or audible warnings if the vehicle gets too close to an object. The LED Circuit is a crucial component of this system, as it is responsible for displaying the warnings to the driver. When this circuit is shorted to the battery, it can lead to malfunctions in the Parking Aid System, potentially causing inaccurate or no warnings to be displayed.

OBDII Code B2373 Mercury - Parking Aid System LED Circuit Short to Battery
B2373 Mercury Code - Parking Aid System LED Circuit Short to Battery

Common Causes of B2373 Mercury

  1. Wiring damage or corrosion affecting the LED Circuit.
  2. Faulty LED display unit.
  3. Water intrusion into the Parking Aid System components.
  4. Short circuit caused by a damaged sensor.
  5. Electrical issues in the Parking Aid System control module.

Symptoms of B2373 Mercury

  1. Parking Aid System warnings not displaying on the LED screen.
  2. Inaccurate or inconsistent warnings being shown by the Parking Aid System.
  3. Complete failure of the Parking Aid System to provide any warnings.
  4. Illumination of the parking aid system warning light on the dashboard.
  5. Audible warning signals not functioning properly.

How to Fix B2373 Mercury

  1. Begin by conducting a thorough visual inspection of the Parking Aid System components to identify any visible damage or corrosion.
  2. Test the LED display unit and sensors to determine if they are functioning correctly.
  3. Check the wiring harness for any signs of damage or shorts, repairing or replacing as necessary.
  4. Inspect the Parking Aid System control module for any electrical issues, such as blown fuses or faulty connections.
  5. Clear the DTC from the vehicle's computer system and test the Parking Aid System to ensure proper functionality.

Cost to Fix B2373 Mercury

The typical repair costs for addressing a Parking Aid System LED Circuit Short to Battery issue can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

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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 B2373 Mercury Code

1. What are the common symptoms of OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- Common symptoms include the Parking Aid System LED not working properly or staying illuminated, and potential issues with the parking assistance system.

2. What are the possible causes of OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- The code may be triggered by a short to battery in the circuit, damaged wiring, faulty parking aid sensors, or a malfunctioning control module.

3. How can I diagnose the OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- Diagnosing the code involves inspecting the wiring and connectors for damage, testing the parking aid sensors, and using a diagnostic scanner to identify the specific fault.

4. Can I still drive my Mercury with the OBDII code B2373 related to the Parking Aid System LED Circuit Short to Battery?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the parking aid system.

5. What are the repair options for fixing OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- Repairs may involve repairing or replacing damaged wiring, fixing faulty sensors, or replacing the control module if necessary. Consult a professional mechanic for an accurate diagnosis and repair.

6. Are there any DIY tips for troubleshooting OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- DIY tips may include visually inspecting the wiring for any visible damage, checking the sensor connections, and resetting the system by disconnecting the battery for a few minutes.

7. How much does it typically cost to repair OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- Repair costs can vary depending on the extent of the damage and the parts that need to be replaced. It is recommended to obtain quotes from different mechanics or dealerships.

8. Can extreme weather conditions contribute to triggering OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery?

- Extreme weather conditions such as exposure to moisture or extreme temperatures can potentially damage the wiring or sensors, leading to the triggering of the code.

9. Is it possible for OBDII code B2373 related to the Parking Aid System LED Circuit Short to Battery to reset on its own?

- In some cases, the code may reset on its own if the underlying issue is temporary. However, it is advisable to have the system checked to prevent potential future problems.

10. Will fixing OBDII code B2373 in a Mercury related to the Parking Aid System LED Circuit Short to Battery improve the overall performance of the vehicle?

- While this code is specifically related to the parking aid system, addressing the issue can improve the functionality of the system and contribute to the overall safety and convenience of the vehicle.

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