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Engine-Codes – Generic – B2179

B2179 Code - Front Wiper Select Switch 'A' Short To Ground

Quick Answer

The B2179 diagnostic trouble code refers to a Front Wiper Select Switch 'A' Short to Ground. Common causes include Faulty front wiper select switch, Short circuit in the wiring harness, Corroded or damaged connectors in the wiper 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
B2179 indicates Front Wiper Select Switch 'A' Short To Ground.
Common causes
Common causes include Faulty front wiper select switch, Short circuit in the wiring harness, Corroded or damaged connectors in the wiper 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 10, 2024
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Code B2179 Description

The B2179 diagnostic trouble code refers to a Front Wiper Select Switch 'A' Short to Ground. This code indicates that there is a short circuit in the front wiper select switch, causing it to be grounded. The front wiper select switch is a component of the windshield wiper system that allows the driver to control the speed and operation of the wipers. When this switch is shorted to ground, it can cause issues with the wiper system's functionality, leading to potential safety hazards during inclement weather conditions.

OBDII Code B2179 - Front Wiper Select Switch 'A' Short To Ground
B2179 Code - Front Wiper Select Switch 'A' Short To Ground

Common Causes of B2179

  1. Faulty front wiper select switch.
  2. Short circuit in the wiring harness.
  3. Corroded or damaged connectors in the wiper system.
  4. Water or moisture intrusion causing a short to ground.
  5. Electrical issues in the vehicle's overall electrical system.

Symptoms of B2179

  1. Windshield wipers not responding to switch commands.
  2. Wipers operating at incorrect speeds or intermittently.
  3. Wipers getting stuck in one position.
  4. Wipers not turning off even when the switch is in the off position.
  5. Blown fuses related to the windshield wiper system.

How to Fix B2179

  1. Begin by diagnosing the issue using a multimeter to test for a short to ground in the front wiper select switch.
  2. Inspect the wiring harness and connectors for any signs of damage, corrosion, or moisture intrusion.
  3. Replace the front wiper select switch if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the wiper system.
  5. Clear the diagnostic trouble code and test the windshield wipers to ensure they are functioning correctly.

Cost to Fix B2179

The typical repair costs for addressing a Front Wiper Select Switch 'A' Short to Ground code can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts and labor for this repair can range from $150 to $300. However, it's important to note that the actual cost may be higher or lower based on the vehicle's make and model, the location of the repair shop, and any additional diagnostic or repair work required. It's recommended to consult with a qualified mechanic or repair shop to obtain a more accurate estimate for addressing this issue.

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Code B2179 Information for Specific Makes

  • B2179 Acura — Driver Side Door Key Cylinder Switch LOCK/UNLOCK Signal Error
  • B2179 Honda — Driver Side Door Key Cylinder Switch LOCK/UNLOCK Signal Error
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 B2179 Code

1. What are the common symptoms of OBDII code B2179 (Front Wiper Select Switch 'A' Short To Ground)?

- The common symptoms include intermittent or non-functional operation of the front wiper system, unexpected wiper movement, or failure to control wiper speed.

2. What are the possible causes of OBDII code B2179?

- The code B2179 is typically caused by a short to ground in the front wiper select switch 'A' circuit, which can be due to damaged wiring, a faulty switch, or a poor electrical connection.

3. How can I diagnose OBDII code B2179?

- Diagnosing code B2179 involves using a digital multimeter to test the continuity and resistance of the front wiper select switch 'A' circuit, inspecting the wiring for damage, and checking the switch for proper operation.

4. Can I still drive my vehicle with OBDII code B2179?

- It is generally safe to drive your vehicle with code B2179, but you may experience issues with the front wiper system. It is recommended to address the problem promptly to ensure proper wiper functionality.

5. How do I repair OBDII code B2179?

- To repair code B2179, you will need to locate and repair the short to ground in the front wiper select switch 'A' circuit. This may involve repairing damaged wiring, replacing the switch, or addressing any loose connections.

6. Will resetting the OBDII code B2179 make it go away permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing code B2179 is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.

7. Can a DIY enthusiast fix OBDII code B2179 at home?

- DIY enthusiasts with automotive repair experience and the necessary tools can attempt to fix code B2179 at home. However, if you are unsure about diagnosing or repairing electrical issues, it is recommended to seek professional help.

8. Is OBDII code B2179 specific to a certain vehicle make or model?

- OBDII code B2179 (Front Wiper Select Switch 'A' Short To Ground) can occur in various vehicle makes and models that are equipped with an OBDII system and a front wiper select switch.

9. Are there any preventive maintenance measures to avoid OBDII code B2179?

- Regularly inspecting the front wiper system, checking for any signs of wear or damage, and ensuring proper electrical connections can help prevent issues like code B2179 from occurring.

10. How long does it typically take to repair OBDII code B2179?

- The time needed to repair code B2179 can vary depending on the exact cause of the issue, the accessibility of components, and the individual's repair skills. In general, it may take a few hours to a day to diagnose and fix the problem.

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