B17F6 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 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.
Code B17F6 Description
What are the Possible Causes of the DTC B17F6?
- 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?
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 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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Information for Specific Makes
- B17F6 Chrysler — Trailer Tail Lamp Control Circuit Short To Battery
- B17F6 Dodge — Trailer Tail Lamp Control Circuit Short To Battery
- B17F6 Jeep — Trailer Tail Lamp Control Circuit Short To Battery
- B17F6 RAM — Trailer Tail Lamp Control Circuit Short To Battery
Frequently Asked Questions about B17F6 Code
What does the OBDII code B17F6 mean?
1. B17F6 indicates a problem in the trailer tail lamp control circuit, specifically a short to the battery, which can cause abnormal electrical behavior. 2.
What are the common symptoms of code B17F6?
Symptoms include trailer tail lamps staying on continuously, flickering, or failing to turn off, along with possible battery drain. 3.
What causes the B17F6 code to appear?
This code is typically caused by a short circuit in the trailer tail lamp wiring, damaged connectors, faulty control modules, or incorrect installation of trailer components. 4.
How can I diagnose the B17F6 code?
Inspect the trailer tail lamp wiring and connectors for damage, check for exposed or pinched wires, and use a multimeter to test for continuity and short circuits. 5.
Can a blown fuse cause the B17F6 code?
No, a blown fuse is not the direct cause, but a short circuit in the trailer tail lamp circuit can lead to blown fuses as a secondary issue. 6.
Is it safe to drive with the B17F6 code active?
While it may not immediately affect drivability, it can lead to battery drainage or improper trailer lighting, which may pose a safety hazard. 7.
How do I fix the B17F6 code?
Repair or replace damaged wiring, connectors, or the trailer control module. Ensure there are no exposed wires causing a short to the battery. 8.
Can a faulty trailer control module trigger the B17F6 code?
Yes, a malfunctioning trailer control module can send incorrect signals, leading to a short circuit and triggering this code. 9.
How much does it cost to repair the B17F6 code?
Costs vary depending on the extent of the wiring damage or part replacements but typically range from $100 to $500 for diagnostics and repairs. 10.
Can I prevent the B17F6 code from occurring?
Yes, regularly inspect and maintain your trailer wiring and connectors, ensuring they are free of damage, corrosion, or improper modifications.
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