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B1661 Chrysler Code - Front Fog Lamp Control Circuit Open

Quick Answer

The B1661 Chrysler code indicates that there is an open circuit in the front fog lamp control system of the vehicle. Common causes include Corroded or damaged wiring in the front fog lamp circuit, Faulty fog lamp switch on the dashboard, Defective fog lamp relay. 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
B1661 Chrysler indicates Front Fog Lamp Control Circuit Open.
Common causes
Common causes include Corroded or damaged wiring in the front fog lamp circuit, Faulty fog lamp switch on the dashboard, Defective fog lamp relay.
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 11, 2024
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Code B1661 Chrysler Description

The B1661 Chrysler code indicates that there is an open circuit in the front fog lamp control system of the vehicle. This means that there is a break in the electrical connection that is preventing the front fog lamps from functioning properly. Front fog lamps are important for providing additional visibility in poor weather conditions such as fog, rain, or snow. When this circuit is open, the fog lamps will not turn on, reducing the driver's ability to see clearly in adverse conditions.

OBDII Code B1661 Chrysler - Front Fog Lamp Control Circuit Open
B1661 Chrysler Code - Front Fog Lamp Control Circuit Open

Common Causes of B1661 Chrysler

  1. Corroded or damaged wiring in the front fog lamp circuit.
  2. Faulty fog lamp switch on the dashboard.
  3. Defective fog lamp relay.
  4. Blown fuse in the front fog lamp circuit.
  5. Faulty front fog lamps themselves.

Symptoms of B1661 Chrysler

  1. Front fog lamps not turning on when the switch is activated.
  2. Dashboard indicator light for front fog lamps staying illuminated.
  3. Dim or flickering front fog lamps.
  4. Front fog lamps turning on intermittently.
  5. Electrical burning smell coming from the front fog lamp area.

How to Fix B1661 Chrysler

  1. Begin by visually inspecting the wiring in the front fog lamp circuit for any signs of damage or corrosion. Repair or replace any damaged wiring.
  2. Test the fog lamp switch on the dashboard to ensure it is functioning properly. Replace if necessary.
  3. Check the fog lamp relay for proper operation. Replace if found to be faulty.
  4. Inspect and replace any blown fuses in the front fog lamp circuit.
  5. Test the front fog lamps themselves to ensure they are working correctly. Replace if needed.

Cost to Fix B1661 Chrysler

The typical repair costs for addressing a B1661 Chrysler code can vary depending on the specific cause of the issue. In general, the cost of parts such as wiring, switches, relays, fuses, and fog lamps themselves can range from $50 to $200. Labor rates at auto repair shops typically range from $80 to $150 per hour. The total cost of repairs for this issue could therefore range from $150 to $500 or more, depending on the extent of the problem and the specific components that need to be replaced. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the vehicle make and model.

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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 B1661 Chrysler Code

1. What are the common symptoms of OBDII code B1661 Chrysler (Front Fog Lamp Control Circuit Open)?

- The common symptoms include the front fog lamps not turning on or functioning properly.

2. What are the possible causes of OBDII code B1661 Chrysler?

- Possible causes include a faulty front fog lamp switch, wiring issues, a blown fuse, or a defective front fog lamp bulb.

3. How can I diagnose the Front Fog Lamp Control Circuit Open issue?

- You can start by checking the front fog lamp fuse, inspecting the wiring for any damage, and testing the front fog lamp switch for proper functionality.

4. What should I do if my front fog lamps are not working due to OBDII code B1661?

- Begin by inspecting the front fog lamp circuit for any visible damage. Then, test the front fog lamp switch and replace any faulty components.

5. Can a blown fuse cause OBDII code B1661 Chrysler to appear?

- Yes, a blown fuse in the front fog lamp circuit can trigger the B1661 code due to an open circuit.

6. Is it possible to reset the OBDII code B1661 Chrysler without fixing the issue?

- Resetting the code without addressing the underlying problem will likely result in the code reappearing once the system detects the fault again.

7. Are there any repair tips for fixing the Front Fog Lamp Control Circuit Open issue?

- Ensure all wiring connections are secure, replace any blown fuses, and test the front fog lamp components methodically to pinpoint the exact cause.

8. Can a DIY enthusiast fix the OBDII code B1661 Chrysler at home?

- Depending on your skill level and access to tools, you may be able to diagnose and repair the issue at home. However, seeking professional help is recommended for complex electrical problems.

9. How important is it to address OBDII code B1661 Chrysler promptly?

- While the code may not affect the drivability of the vehicle, addressing it promptly is crucial to ensure the front fog lamps operate correctly for safety and visibility.

10. What is the typical cost to repair OBDII code B1661 Chrysler at a repair shop?

- The repair cost can vary based on the exact cause of the issue, but expect to pay for diagnostic time, replacement parts, and labor, which could range from $100 to $300 or more.

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