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Engine-Codes – Generic – B1458

B1458 Code - Wiper Washer Pump Motor Relay Circuit Failure

Quick Answer

The B1458 diagnostic trouble code (DTC) refers to a Wiper Washer Pump Motor Relay Circuit Failure. Common causes include Faulty wiper washer pump motor relay, Corroded or damaged wiring in the relay circuit, Defective wiper washer pump motor. 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
B1458 indicates Wiper Washer Pump Motor Relay Circuit Failure.
Common causes
Common causes include Faulty wiper washer pump motor relay, Corroded or damaged wiring in the relay circuit, Defective wiper washer pump motor.
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 09, 2024
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Code B1458 Description

The B1458 diagnostic trouble code (DTC) refers to a Wiper Washer Pump Motor Relay Circuit Failure. This code indicates that there is an issue with the relay circuit that controls the wiper washer pump motor. The wiper washer pump motor is responsible for spraying windshield washer fluid onto the windshield to help clean it while the wipers are in operation.

OBDII Code B1458 - Wiper Washer Pump Motor Relay Circuit Failure
B1458 Code - Wiper Washer Pump Motor Relay Circuit Failure

Common Causes of B1458

  1. Faulty wiper washer pump motor relay
  2. Corroded or damaged wiring in the relay circuit
  3. Defective wiper washer pump motor
  4. Issues with the vehicle's electrical system
  5. Water or debris clogging the wiper washer pump motor

Symptoms of B1458

  1. Windshield washer fluid not spraying onto the windshield
  2. Wipers not clearing windshield effectively
  3. Unusual noise coming from the wiper washer pump motor
  4. Wiper washer pump motor not turning on at all

How to Fix B1458

  1. Begin by conducting a visual inspection of the wiper washer pump motor relay and associated wiring to check for any visible damage or corrosion.
  2. Test the relay using a multimeter to determine if it is functioning properly. If the relay is faulty, replace it with a new one.
  3. Inspect the wiper washer pump motor for any signs of damage or wear. If necessary, replace the motor with a new one.
  4. Check the wiring in the relay circuit for any breaks or loose connections. Repair or replace any damaged wiring as needed.
  5. Once all repairs have been completed, test the windshield washer system to ensure that the wiper washer pump motor is functioning correctly.

Cost to Fix B1458

The typical repair costs for addressing a Wiper Washer Pump Motor Relay Circuit Failure can range from $100 to $300, depending on the specific components that need to be replaced and the labor charges. It's important to keep in mind that the actual cost may vary based on factors such as the vehicle's make and model, the location of the repair shop, and the extent of the repairs needed. Be sure to consult with a qualified mechanic or repair shop to get an accurate estimate for addressing this issue.

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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 B1458 Code

1. What are the common symptoms of OBDII code B1458 (Wiper Washer Pump Motor Relay Circuit Failure)?

The common symptoms include inoperative windshield washer pump, malfunctioning wiper system, and failure of the washer fluid to spray onto the windshield.

2. What are the potential causes of OBDII code B1458?

Possible causes of B1458 can include a faulty wiper washer pump motor relay, damaged wiring or connectors in the relay circuit, or a malfunctioning washer pump motor.

3. How can I diagnose OBDII code B1458?

Diagnosing B1458 typically involves using a diagnostic scanner to retrieve the code, checking the wiring and connectors in the relay circuit, testing the relay itself, and inspecting the washer pump motor for proper function.

4. What are some repair tips for resolving OBDII code B1458?

Repair tips for B1458 may include replacing the wiper washer pump motor relay, repairing or replacing damaged wiring or connectors in the circuit, and ensuring the washer pump motor is functioning correctly.

5. Can I drive my vehicle with OBDII code B1458 present?

It is generally safe to drive with OBDII code B1458, but it is recommended to address the issue promptly to ensure the proper functioning of the windshield washer system.

6. Will OBDII code B1458 cause my windshield wipers to stop working?

While B1458 specifically relates to the wiper washer pump motor relay circuit, if left unresolved, it could potentially lead to issues with the wiper system due to the interconnected nature of automotive electrical systems.

7. How much does it typically cost to repair OBDII code B1458?

The cost of repairing B1458 can vary depending on the extent of the issue, the cost of parts, and labor rates. It is advisable to consult with a mechanic or dealership for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code B1458 at home?

Depending on your skill level and access to tools, DIY enthusiasts may be able to diagnose and repair B1458 at home by following repair guides or tutorials specific to their vehicle make and model.

9. Is OBDII code B1458 a common issue in certain vehicle models?

While the occurrence of B1458 may vary across different vehicle models, issues related to the wiper washer pump motor relay circuit are relatively common in vehicles equipped with such systems.

10. How can I prevent OBDII code B1458 from recurring in the future?

To prevent the recurrence of B1458, it is essential to perform regular maintenance on the windshield washer system, inspect wiring and connectors for damage, and address any issues promptly to avoid further complications.

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