AutoCodes – Mercury – B2373 Mercury

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

Quick Answer

The Parking Aid System is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE (R). Common causes include Faulty Parking Aid Switch, Parking Aid Switch harness is open or shorted, Parking Aid 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
B2373 Mercury indicates Parking Aid System LED Circuit Short to Battery.
Common causes
Common causes include Faulty Parking Aid Switch, Parking Aid Switch harness is open or shorted, Parking Aid 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 597
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 13, 2019
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Code B2373 Mercury Description

The Parking Aid System is enabled when the ignition switch is in the RUN position and the transmission is in REVERSE (R). The system can be disabled by the Parking Aid Switch. The Parking Aid Module (PAM) sends a signal to the LED when the switch is pressed. The Diagnostic Trouble Code (DTC) B2373 sets when the PAM senses a short to voltage.
OBDII Code B2373 Mercury - Parking Aid System LED Circuit Short to Battery - AutoCodes.com
B2373 Mercury Code - Parking Aid System LED Circuit Short to Battery

What are the Possible Causes of the DTC B2373 Mercury?

  • Faulty Parking Aid Switch
  • Parking Aid Switch harness is open or shorted
  • Parking Aid Switch circuit poor electrical connection
  • Faulty Parking Aid Module (PAM)

How to Fix the DTC B2373 Mercury?

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 B2373 Mercury 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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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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