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Engine-Codes – Dodge – B1660 Dodge

B1660 Dodge Code - Front Fog Lamp Control Circuit High

Quick Answer

The B1660 diagnostic trouble code (DTC) for Dodge vehicles indicates a problem with the front fog lamp control circuit being too high. Common causes include Faulty front fog lamp control module, Short circuit in the wiring harness, Blown fuse related to the front fog lamp circuit. 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
B1660 Dodge indicates Front Fog Lamp Control Circuit High.
Common causes
Common causes include Faulty front fog lamp control module, Short circuit in the wiring harness, Blown fuse related to the front fog lamp circuit.
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 07, 2024
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Code B1660 Dodge Description

The B1660 diagnostic trouble code (DTC) for Dodge vehicles indicates a problem with the front fog lamp control circuit being too high. This code is typically triggered when the powertrain control module (PCM) detects an abnormal voltage level in the front fog lamp control circuit. The front fog lamps are designed to improve visibility in adverse weather conditions, such as fog, rain, or snow. When this circuit is not functioning properly, it can affect the functionality of the front fog lamps, potentially leading to reduced visibility for the driver and other road users.

OBDII Code B1660 Dodge - Front Fog Lamp Control Circuit High
B1660 Dodge Code - Front Fog Lamp Control Circuit High

Common Causes of B1660 Dodge

  1. Faulty front fog lamp control module
  2. Short circuit in the wiring harness
  3. Blown fuse related to the front fog lamp circuit
  4. Malfunctioning front fog lamp switch
  5. Corrosion or damage to electrical connections in the circuit

Symptoms of B1660 Dodge

  1. Front fog lamps not turning on
  2. Intermittent flickering of front fog lamps
  3. Dashboard warning light indicating front fog lamp issue
  4. Dim or excessively bright front fog lamps

How to Fix B1660 Dodge

  1. Begin by conducting a visual inspection of the front fog lamp control module, wiring harness, fuse, and switch to check for any visible damage or corrosion.
  2. Use a multimeter to test the voltage levels in the front fog lamp control circuit and identify any abnormalities.
  3. Replace the front fog lamp control module if it is found to be faulty.
  4. Repair any short circuits in the wiring harness and replace damaged wires if necessary.
  5. Test the front fog lamps after completing the repairs to ensure they are functioning correctly.

Cost to Fix B1660 Dodge

The typical repair costs for addressing the B1660 code may vary depending on the specific cause of the issue and the extent of the damage. On average, the cost of parts for replacing a front fog lamp control module can range from $100 to $300, while labor costs may add an additional $80 to $150 per hour. Overall, the total repair cost for resolving the front fog lamp control circuit high issue could amount to anywhere from $200 to $500, including parts and labor. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate cost estimate based on the specific circumstances of your vehicle.

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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 B1660 Dodge Code

1. What are the common symptoms of OBDII code B1660 Dodge (Front Fog Lamp Control Circuit High)?

- The common symptoms include the front fog lamps not working, flickering, or staying on constantly.

2. What are the possible causes of the B1660 code in a Dodge vehicle?

- The code B1660 typically indicates a fault in the front fog lamp control circuit, which can be caused by issues such as wiring faults, a faulty fog lamp switch, or a malfunctioning control module.

3. How can I diagnose the Front Fog Lamp Control Circuit High issue in my Dodge vehicle?

- To diagnose the issue, you can start by checking the wiring connections, inspecting the fog lamp switch, and using a multimeter to test the voltage in the circuit.

4. Is it safe to continue driving with the B1660 OBDII code triggered?

- It is generally safe to drive with the B1660 code triggered, but it is recommended to address the issue promptly to ensure proper functioning of the front fog lamps.

5. How can I repair the Front Fog Lamp Control Circuit High issue in my Dodge vehicle?

- Repairing the B1660 code may involve repairing or replacing damaged wiring, replacing the fog lamp switch, or addressing any issues with the control module.

6. Can I reset the B1660 OBDII code in my Dodge without fixing the underlying issue?

- While you can reset the code using an OBDII scanner, it is important to address the underlying issue causing the B1660 code to prevent it from recurring.

7. Are there any common mistakes to avoid when diagnosing the Front Fog Lamp Control Circuit High issue?

- Common mistakes to avoid include overlooking simple wiring faults, assuming the fog lamp switch is the only issue, or neglecting to check the control module.

8. Will the B1660 code cause my Dodge to fail an emissions test?

- The B1660 code is related to the front fog lamp control circuit and is unlikely to cause your Dodge to fail an emissions test.

9. How much can I expect to pay to repair the Front Fog Lamp Control Circuit High issue in my Dodge?

- The cost of repairing the B1660 code can vary depending on the underlying issue and the labor rates of the repair shop, but it may range from $100 to $300 on average.

10. Can a DIY enthusiast with basic automotive knowledge fix the B1660 code in a Dodge?

- Depending on the specific issue causing the B1660 code, a DIY enthusiast with basic automotive knowledge may be able to diagnose and repair the problem, especially if it involves simple wiring repairs or switch replacement.

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