Engine-CodesDodge – B17F6 Dodge

B17F6 Dodge Code - Trailer Tail Lamp Control Circuit Short To Battery

Quick Answer

The B17F6 diagnostic trouble code (DTC) for Dodge vehicles indicates a Trailer Tail Lamp Control Circuit Short To Battery. Common causes include Faulty trailer tail lamp control module, Short circuit in the trailer tail lamp wiring, Corrosion or damage to the trailer connector. 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
B17F6 Dodge indicates Trailer Tail Lamp Control Circuit Short To Battery.
Common causes
Common causes include Faulty trailer tail lamp control module, Short circuit in the trailer tail lamp wiring, Corrosion or damage to the trailer connector.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B17F6 Dodge Description

The B17F6 diagnostic trouble code (DTC) for Dodge vehicles indicates a Trailer Tail Lamp Control Circuit Short To Battery. This means that there is an electrical issue within the trailer tail lamp control circuit where a short circuit is occurring, causing the circuit to draw power directly from the vehicle's battery. The trailer tail lamp control circuit is responsible for controlling the operation of the tail lamps on a trailer connected to the vehicle. When a short to battery occurs, it can lead to various issues with the trailer's lighting system, affecting visibility and safety while towing.

OBDII Code B17F6 Dodge - Trailer Tail Lamp Control Circuit Short To Battery
B17F6 Dodge Code - Trailer Tail Lamp Control Circuit Short To Battery

Common Causes of B17F6 Dodge

  1. Faulty trailer tail lamp control module.
  2. Short circuit in the trailer tail lamp wiring.
  3. Corrosion or damage to the trailer connector.
  4. Incorrect trailer wiring installation.
  5. Water intrusion into the trailer tail lamp assembly.

Symptoms of B17F6 Dodge

  1. Trailer tail lamps not functioning properly or not working at all.
  2. Dashboard warning light indicating a trailer lighting issue.
  3. Fuse for trailer tail lamp circuit blowing repeatedly.
  4. Battery draining faster than usual.
  5. Electrical system issues such as flickering lights or intermittent power loss.

How to Fix B17F6 Dodge

  1. Begin by inspecting the trailer tail lamp control module for any visible damage or signs of a short circuit. Replace the module if necessary.
  2. Check the trailer tail lamp wiring for any exposed wires, damage, or corrosion. Repair or replace any damaged wiring.
  3. Inspect the trailer connector for corrosion or loose connections. Clean the connector and ensure a secure connection.
  4. Verify the trailer wiring installation for any incorrect connections or wiring issues. Correct any wiring mistakes.
  5. Test the trailer tail lamp circuit after repairs to ensure proper functionality and no more short to battery issues.

Cost to Fix B17F6 Dodge

The typical repair costs for addressing a Trailer Tail Lamp Control Circuit Short To Battery code can vary depending on the extent of the issue and the specific repairs needed. On average, the cost for parts and labor to diagnose and repair this problem can range from $100 to $300. However, it's essential to note that labor rates at auto repair shops can vary significantly, with hourly rates typically ranging from $80 to $150. Factors such as location, vehicle make and model, and the severity of the issue can also impact the final repair costs. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on your specific circumstances.

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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 B17F6 Dodge Code

1. What are common symptoms of OBDII code B17F6 Dodge (Trailer Tail Lamp Control Circuit Short To Battery)?

The common symptoms of this code may include non-functioning trailer tail lamps, flickering or dim trailer lights, and illuminated warning lights on the dashboard.

2. What are the possible causes of OBDII code B17F6 Dodge?

Possible causes of this code include a short circuit in the trailer tail lamp wiring, a faulty trailer tail lamp control module, damaged wiring harness, or a malfunctioning trailer connector.

3. How can I diagnose the source of the short circuit causing code B17F6 in my Dodge vehicle?

To diagnose the issue, you can perform a visual inspection of the trailer tail lamp wiring, check the trailer tail lamp control module for any signs of damage, test the wiring harness for continuity, and inspect the trailer connector for any corrosion or loose connections.

4. What are some repair tips for resolving OBDII code B17F6 in a Dodge vehicle?

Repair tips for resolving this code may include repairing or replacing damaged wiring, replacing the trailer tail lamp control module if necessary, ensuring all connections are secure, and clearing the code with an OBDII scanner after the repairs are complete.

5. Can OBDII code B17F6 Dodge be fixed without professional help?

If you have experience with automotive electrical systems, you may be able to diagnose and repair this code on your own. However, if you are unsure or inexperienced, it is recommended to seek professional help to avoid causing further damage to your vehicle.

6. Are there any safety precautions to consider when working on the trailer tail lamp control circuit?

When working on the trailer tail lamp control circuit, make sure to disconnect the vehicle's battery to prevent electrical shock, wear appropriate safety gear such as gloves and safety glasses, and follow proper wiring diagrams to avoid mistakes.

7. Can a faulty trailer tail lamp control module cause other electrical issues in a Dodge vehicle?

Yes, a faulty trailer tail lamp control module can potentially cause other electrical issues in the vehicle, such as affecting the proper functioning of other lighting systems or triggering additional OBDII fault codes related to the trailer lighting circuit.

8. Is it safe to drive my Dodge vehicle with OBDII code B17F6 related to the trailer tail lamp control circuit?

It is not recommended to drive your vehicle with unresolved trailer tail lamp control circuit issues as it may compromise your safety and the safety of other drivers on the road. It is best to address the issue promptly to ensure proper functioning of the trailer lights.

9. Can extreme weather conditions affect the trailer tail lamp control circuit and trigger code B17F6 in a Dodge vehicle?

Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the trailer tail lamp wiring, causing short circuits and triggering code B17F6. It is essential to protect the wiring from such conditions to prevent issues.

10. How can I prevent OBDII code B17F6 Dodge from reoccurring in the future?

To prevent the reoccurrence of this code, you should regularly inspect and maintain the trailer tail lamp wiring, ensure proper installation of trailer lighting accessories, protect the wiring from environmental factors, and address any issues promptly to avoid further damage.

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