AutoCodes – Dodge – B17F6 Dodge

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

Quick Answer

Four relays are used to provide voltage to the Trailer Tow connector. Common causes include Faulty Trailer Tow Park Lamps Relay, Trailer Tow Park Lamps Relay harness is open or shorted, Trailer Tow Park Lamps Relay circuit poor electrical connection. 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 Tow Park Lamps Relay, Trailer Tow Park Lamps Relay harness is open or shorted, Trailer Tow Park Lamps Relay circuit poor electrical connection.
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.
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Code Popularity 583
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 02, 2019
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Code B17F6 Dodge Description

Four relays are used to provide voltage to the Trailer Tow connector. The trailer tow relays are used to switch fused battery voltage directly to the Trailer Tow connector when requested. The trailer tow relays are activated through a ground path provided by the Body Control Module (BCM). The BCM sets the OBDII code when it detects a short to voltage on the Trailer Tow Park Lamps Relay Control circuit.
OBDII Code B17F6 Dodge - Trailer Tail Lamp Control Circuit Short To Battery - AutoCodes.com
B17F6 Dodge Code - Trailer Tail Lamp Control Circuit Short To Battery

What are the Possible Causes of the DTC B17F6 Dodge?

  • Faulty Trailer Tow Park Lamps Relay
  • Trailer Tow Park Lamps Relay harness is open or shorted
  • Trailer Tow Park Lamps Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B17F6 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B17F6 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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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