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Engine-Codes – Generic – B2373

B2373 Code - Parking Aid System LED Circuit Short to Battery

Quick Answer

The B2373 diagnostic trouble code (DTC) indicates a problem with the Parking Aid System LED Circuit being shorted to the battery. Common causes include Damaged wiring harness leading to a short circuit, Faulty LED display unit, Malfunctioning control module for the Parking Aid System. 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 indicates Parking Aid System LED Circuit Short to Battery.
Common causes
Common causes include Damaged wiring harness leading to a short circuit, Faulty LED display unit, Malfunctioning control module for the Parking Aid System.
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 08, 2024
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Code B2373 Description

The B2373 diagnostic trouble code (DTC) 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 their vehicles safely by providing visual and/or audible alerts when objects are detected in close proximity to the vehicle. The LED circuit is a crucial component of this system, as it is responsible for displaying these alerts on the dashboard or rearview mirror.

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

Common Causes of B2373

  1. Damaged wiring harness leading to a short circuit.
  2. Faulty LED display unit.
  3. Malfunctioning control module for the Parking Aid System.
  4. Corrosion or loose connections in the circuitry.
  5. Electrical interference from other components in the vehicle.

Symptoms of B2373

  1. Constant illumination of the LED lights in the Parking Aid System display.
  2. Inaccurate or inconsistent alerts from the parking aid sensors.
  3. Complete failure of the Parking Aid System to provide any alerts.
  4. Erratic behavior of the LED display, such as flickering or flashing.

How to Fix B2373

  1. Begin by conducting a visual inspection of the wiring harness and connections to identify any damage or corrosion. Repair or replace any damaged components.
  2. Test the LED display unit to ensure it is functioning correctly. Replace it if necessary.
  3. Check the control module for any faults or errors. Reset or replace the module as needed.
  4. Clear the DTC from the vehicle's onboard computer using a diagnostic scanner.
  5. Test the Parking Aid System to verify that the LED circuit is no longer shorted to the battery and that all alerts are functioning properly.

Cost to Fix B2373

The cost of repairing a Parking Aid System LED Circuit short to battery issue can vary depending on the specific cause of the problem and the vehicle's make and model. In general, you can expect to pay anywhere from $100 to $500 for parts and labor. This estimate does not include the cost of diagnostic testing, which can range from $80 to $150 per hour at most auto repair shops. Be sure to get a detailed quote from a qualified technician before proceeding with the repair.

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Code B2373 Information for Specific Makes

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 Code

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

- Common symptoms include the parking aid system LED not illuminating or remaining constantly lit, indicating a potential short to battery issue.

2. What can cause the Parking Aid System LED Circuit Short to Battery code B2373?

- The code B2373 can be caused by a short circuit in the wiring harness, a faulty LED module, or a damaged parking aid system control module.

3. How can I diagnose the Parking Aid System LED Circuit Short to Battery issue?

- To diagnose the issue, start by visually inspecting the wiring harness for any signs of damage or exposed wires. Use a multimeter to check for continuity and shorts in the circuit components.

4. Can a DIY enthusiast repair the OBDII code B2373 related to the Parking Aid System LED Circuit Short to Battery?

- Depending on your experience and knowledge of automotive electrical systems, you may be able to repair the issue by replacing the faulty component or repairing the damaged wiring harness. However, professional assistance is recommended for complex electrical issues.

5. Is it safe to continue driving with the Parking Aid System LED Circuit Short to Battery code B2373?

- While the vehicle may still be operable, it is recommended to address the issue promptly to ensure the proper functioning of the parking aid system and to prevent any potential electrical hazards.

6. Are there any precautions to take when attempting to repair the B2373 code related to the Parking Aid System LED Circuit Short to Battery?

- Before starting any repairs, disconnect the vehicle's battery to prevent any electrical shorts or damage. Follow proper safety procedures and consult the vehicle's service manual for guidance.

7. How much does it typically cost to repair the Parking Aid System LED Circuit Short to Battery issue associated with OBDII code B2373?

- The cost of repairs can vary depending on the extent of the damage and the specific component that needs replacement. It is recommended to obtain quotes from automotive professionals for an accurate estimate.

8. Can a temporary workaround be implemented for the Parking Aid System LED Circuit Short to Battery code B2373?

- While temporary fixes such as disconnecting the LED module may be possible, they are not recommended as they can compromise the functionality and safety of the parking aid system.

9. Will resetting the OBDII system clear the B2373 code related to the Parking Aid System LED Circuit Short to Battery?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the short to battery persists, the code is likely to reappear. It is important to diagnose and address the root cause of the problem.

10. How long does it typically take to repair the OBDII code B2373 linked to the Parking Aid System LED Circuit Short to Battery?

- The repair time can vary depending on the complexity of the issue and the availability of replacement parts. Simple repairs may take a few hours, while more involved issues could require a day or more of labor.

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