How to Diagnose and Solve B1476 Wiper High Speed Circuit Motor Failure Issues

Introduction

Wipers are an essential component of any vehicle, especially during rainy or snowy weather. However, when the wiper motor fails, it can be frustrating and dangerous. One of the most common wiper motor failure issues is the B1476 Wiper High Speed Circuit Motor Failure. In this article, we will discuss how to diagnose and solve this issue.

What is B1476 Wiper High Speed Circuit Motor Failure?

B1476 is a diagnostic trouble code (DTC) that indicates a problem with the wiper high-speed circuit motor. This code is usually triggered when the wiper motor fails to operate at high speed. The wiper motor has different speed settings, and when the high-speed setting fails, it can be due to a variety of reasons.

Diagnosing B1476 Wiper High Speed Circuit Motor Failure

To diagnose B1476 Wiper High Speed Circuit Motor Failure, you will need a diagnostic scanner that can read DTCs. Follow these steps:

Step 1: Connect the Diagnostic Scanner

Connect the diagnostic scanner to the OBD-II port of your vehicle. The OBD-II port is usually located under the dashboard on the driver’s side.

Step 2: Read the DTCs

Read the DTCs using the diagnostic scanner. Look for the B1476 code, which indicates a problem with the wiper high-speed circuit motor.

Step 3: Inspect the Wiper Motor

Inspect the wiper motor for any signs of damage or wear. Check the wiring and connections for any loose or damaged wires. If you find any damage, replace the wiper motor.

Step 4: Check the Fuse

Check the fuse for the wiper motor. If the fuse is blown, replace it with a new one.

Step 5: Check the Relay

Check the relay for the wiper motor. If the relay is faulty, replace it with a new one.

Solving B1476 Wiper High Speed Circuit Motor Failure

Once you have diagnosed the issue, you can solve B1476 Wiper High Speed Circuit Motor Failure by following these steps:

Step 1: Replace the Wiper Motor

If the wiper motor is damaged or worn, replace it with a new one. Make sure to get the correct replacement motor for your vehicle.

Step 2: Replace the Fuse

If the fuse is blown, replace it with a new one. Make sure to get the correct replacement fuse for your vehicle.

Step 3: Replace the Relay

If the relay is faulty, replace it with a new one. Make sure to get the correct replacement relay for your vehicle.

Tips to Prevent Wiper Motor Failure

To prevent wiper motor failure, follow these tips:

– Regularly inspect the wiper motor for any signs of damage or wear.
– Replace the wiper blades regularly to prevent excessive strain on the wiper motor.
– Use the correct wiper fluid to prevent damage to the wiper motor.
– Avoid using the wipers on a dry windshield, as this can cause excessive strain on the wiper motor.

Conclusion

B1476 Wiper High Speed Circuit Motor Failure can be a frustrating and dangerous issue. However, by following the steps outlined in this article, you can diagnose and solve the issue. Remember to regularly inspect your wiper motor and follow the tips to prevent wiper motor failure.

FAQs

1. Can I drive my car with a B1476 Wiper High Speed Circuit Motor Failure?

It is not recommended to drive your car with a wiper motor failure, as it can be dangerous during rainy or snowy weather.

2. How much does it cost to replace a wiper motor?

The cost of replacing a wiper motor can vary depending on the make and model of your vehicle. On average, it can cost between $150 to $350.

3. How often should I replace my wiper blades?

It is recommended to replace your wiper blades every six months to a year, depending on usage and weather conditions.