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B370B Chevrolet Code - Rear Wiper Function Control Circuit Short to Ground

Quick Answer

The B370B Chevrolet code indicates a problem with the rear wiper function control circuit, specifically a short to ground. Common causes include Damaged or frayed wiring in the rear wiper circuit, Faulty rear wiper motor, Malfunctioning rear wiper switch. 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
B370B Chevrolet indicates Rear Wiper Function Control Circuit Short to Ground.
Common causes
Common causes include Damaged or frayed wiring in the rear wiper circuit, Faulty rear wiper motor, Malfunctioning rear wiper switch.
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 B370B Chevrolet Description

The B370B Chevrolet code indicates a problem with the rear wiper function control circuit, specifically a short to ground. The rear wiper system in a vehicle is responsible for clearing the rear windshield of any debris or water, providing clear visibility for the driver. When this code is triggered, it means that there is an electrical issue in the circuit that controls the rear wiper function, causing it to short to ground. This can result in the rear wiper not functioning properly or not working at all.

OBDII Code B370B Chevrolet - Rear Wiper Function Control Circuit Short to Ground
B370B Chevrolet Code - Rear Wiper Function Control Circuit Short to Ground

Common Causes of B370B Chevrolet

  1. Damaged or frayed wiring in the rear wiper circuit.
  2. Faulty rear wiper motor.
  3. Malfunctioning rear wiper switch.
  4. Issue with the control module for the rear wiper system.
  5. Corrosion or loose connections in the rear wiper circuit.

Symptoms of B370B Chevrolet

  1. Rear wiper not working at all.
  2. Rear wiper working intermittently or erratically.
  3. Rear wiper getting stuck in one position.
  4. Rear wiper making unusual noises while operating.
  5. Rear wiper not responding to the wiper switch controls.

How to Fix B370B Chevrolet

  1. Begin by inspecting the wiring in the rear wiper circuit for any damage or fraying. Repair or replace any damaged wiring.
  2. Test the rear wiper motor to determine if it is functioning properly. Replace the motor if necessary.
  3. Check the rear wiper switch for any signs of malfunction. Replace the switch if needed.
  4. Inspect the control module for the rear wiper system and ensure it is working correctly. Replace the module if it is faulty.
  5. Clear any corrosion and secure any loose connections in the rear wiper circuit to prevent future issues.

Cost to Fix B370B Chevrolet

The typical repair costs for addressing a B370B Chevrolet code related to the rear wiper function control circuit short to ground can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor in your area. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate 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 B370B Chevrolet Code

1. What are common symptoms of OBDII code B370B Chevrolet (Rear Wiper Function Control Circuit Short to Ground)?

The common symptoms include the rear wiper not working at all or operating erratically, and a warning light on the dashboard indicating a fault.

2. What causes the OBDII code B370B Chevrolet to trigger?

This code is typically triggered by a short circuit to ground in the rear wiper function control circuit, which can be caused by damaged wiring, a faulty wiper motor, or a malfunctioning control module.

3. How can I diagnose the issue associated with code B370B Chevrolet?

To diagnose the issue, you can perform a visual inspection of the wiring harness and connectors, test the rear wiper motor for proper functionality, and use a multimeter to check for continuity and shorts in the circuit.

4. Can I still drive my vehicle with OBDII code B370B Chevrolet active?

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 rear wiper system, especially in inclement weather.

5. What are the repair options for OBDII code B370B Chevrolet?

Repair options include repairing or replacing damaged wiring, replacing the rear wiper motor if faulty, and potentially replacing the control module if necessary.

6. Should I reset the OBDII code B370B Chevrolet after making repairs?

Yes, it is important to reset the code using an OBDII scanner after making repairs to clear the fault code and ensure that the issue has been resolved.

7. Is it possible to prevent OBDII code B370B Chevrolet from occurring in the future?

While some causes of this code may be unavoidable, you can help prevent it by ensuring proper maintenance of the rear wiper system and promptly addressing any issues with wiring or components.

8. How long does it typically take to repair OBDII code B370B Chevrolet?

The repair time can vary depending on the exact cause of the code and the extent of the repairs needed. It can range from a quick fix to a more involved repair requiring additional troubleshooting.

9. Can a DIY enthusiast fix OBDII code B370B Chevrolet, or should it be done by a professional?

Depending on your skill level and knowledge of automotive repairs, a DIY enthusiast may be able to fix this code. However, if you are unsure or inexperienced, it is recommended to seek the assistance of a professional mechanic.

10. Are there any recalls or technical service bulletins related to OBDII code B370B Chevrolet?

It is advisable to check with the manufacturer or a trusted automotive source for any recalls or technical service bulletins related to this specific OBDII code to see if there are known issues or solutions provided by the manufacturer.

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