AutoCodes – RAM – B17F6 RAM

B17F6 RAM 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 RAM 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 565
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 RAM 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 RAM - Trailer Tail Lamp Control Circuit Short To Battery - AutoCodes.com
B17F6 RAM Code - Trailer Tail Lamp Control Circuit Short To Battery

What are the Possible Causes of the DTC B17F6 RAM?

  • 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 RAM?

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 RAM 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 RAM Code

1. What are common symptoms of OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- Common symptoms include a trailer tail lamp that remains constantly illuminated, even when the vehicle is turned off, or a trailer tail lamp that does not function at all.

2. What are some possible causes of OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- Possible causes include a short circuit in the trailer tail lamp wiring, a faulty trailer tail lamp control module, or a damaged trailer tail lamp assembly.

3. How can I diagnose the issue related to OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- To diagnose the issue, you can start by visually inspecting the trailer tail lamp wiring for any visible damage or signs of a short circuit. You can also use a multimeter to test the continuity of the wiring and check for voltage irregularities.

4. What are some repair tips for fixing OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- Repair tips may include repairing or replacing any damaged wiring, replacing the trailer tail lamp control module if necessary, or installing a new trailer tail lamp assembly if the current one is faulty.

5. Can OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery be safely ignored?

- Ignoring this code can lead to safety hazards, as the trailer tail lamp may not function properly, affecting visibility to other drivers on the road. It is recommended to address this issue promptly.

6. Are there any precautions to take when working on the Trailer Tail Lamp Control Circuit with OBDII code B17F6 RAM?

- It is important to disconnect the vehicle's battery before performing any repairs to avoid the risk of electrical shock or damage to the vehicle's electrical system. Additionally, follow manufacturer guidelines and use proper safety equipment.

7. Can a DIY enthusiast with basic automotive knowledge fix OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- Depending on the extent of the issue, a DIY enthusiast with basic automotive knowledge may be able to diagnose and repair simple wiring issues. However, more complex repairs involving control modules may require professional assistance.

8. How much can I expect to pay for repairs related to OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- The cost of repairs can vary depending on the specific cause of the issue and the labor rates in your area. Simple wiring repairs may be relatively inexpensive, while replacing control modules or tail lamp assemblies can be more costly.

9. Is it possible for OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery to trigger other warning lights on the dashboard?

- Yes, a malfunction in the trailer tail lamp control circuit can sometimes trigger other warning lights related to the vehicle's lighting system or electrical system. It is important to address the issue promptly to avoid further complications.

10. Are there any recalls or technical service bulletins related to OBDII code B17F6 RAM for Trailer Tail Lamp Control Circuit Short To Battery?

- It is recommended to check with the vehicle manufacturer or a certified dealership to inquire about any recalls or technical service bulletins related to this specific OBDII code. They may have relevant information or solutions to address the issue.

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