AutoCodes – Jeep – B17AD Jeep

B17AD Jeep Code - Rear Left Trailer Turn Lamp Control Circuit Short To Battery

Quick Answer

Four relays are used to provide voltage to the Trailer Tow connector. Common causes include Faulty Rear Left Trailer Turn Lamp, Rear Left Trailer Turn Lamp harness is open or shorted, Rear Left Trailer Turn Lamp 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
B17AD Jeep indicates Rear Left Trailer Turn Lamp Control Circuit Short To Battery.
Common causes
Common causes include Faulty Rear Left Trailer Turn Lamp, Rear Left Trailer Turn Lamp harness is open or shorted, Rear Left Trailer Turn Lamp 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 583
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 01, 2019
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Code B17AD Jeep 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 Left Rear Trailer Turn Lamp Control circuit.
OBDII Code B17AD Jeep - Rear Left Trailer Turn Lamp Control Circuit Short To Battery - AutoCodes.com
B17AD Jeep Code - Rear Left Trailer Turn Lamp Control Circuit Short To Battery

What are the Possible Causes of the DTC B17AD Jeep?

  • Faulty Rear Left Trailer Turn Lamp
  • Rear Left Trailer Turn Lamp harness is open or shorted
  • Rear Left Trailer Turn Lamp circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B17AD Jeep?

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 B17AD Jeep 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 B17AD Jeep Code

1. What are the common symptoms of OBDII code B17AD in a Jeep related to the Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

The common symptoms include the rear left trailer turn lamp not functioning properly or not turning on at all, and possibly a warning light on the dashboard.

2. What are the possible causes of the OBDII code B17AD in a Jeep indicating a Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

Possible causes include a short circuit in the wiring, a faulty trailer turn lamp, a malfunctioning control module, or a problem with the vehicle's electrical system.

3. How can I diagnose the OBDII code B17AD in a Jeep for the Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

You can start by visually inspecting the wiring and connections related to the rear left trailer turn lamp, checking for any visible damage or loose connections. Using a multimeter to test the voltage and continuity in the circuit can also help pinpoint the issue.

4. What are some repair tips for fixing the OBDII code B17AD in a Jeep due to a Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

Repair tips may include repairing or replacing damaged wiring, replacing the faulty trailer turn lamp, resetting the control module, or addressing any underlying electrical issues in the vehicle.

5. Can I still drive my Jeep with the OBDII code B17AD indicating a Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

It is not recommended to drive the vehicle with a malfunctioning turn lamp, as it can pose a safety hazard to you and other drivers on the road. It's best to address the issue promptly to ensure proper functioning of all lighting components.

6. Will resetting the OBDII code B17AD in a Jeep related to the Rear Left Trailer Turn Lamp Control Circuit Short To Battery make the problem go away?

Resetting the code may temporarily turn off the warning light on the dashboard, but it will not fix the underlying issue causing the circuit short to battery. Proper diagnosis and repair are necessary to resolve the problem.

7. How much does it typically cost to repair the OBDII code B17AD in a Jeep for the Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

The cost of repair can vary depending on the specific cause of the issue, the extent of the damage, and labor rates in your area. It's best to consult a professional mechanic for an accurate estimate.

8. Can extreme weather conditions affect the likelihood of triggering the OBDII code B17AD in a Jeep related to the Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

Yes, extreme weather conditions such as heavy rain or snow can potentially exacerbate electrical issues in the vehicle, including shorts in the wiring or components related to the trailer turn lamp circuit.

9. Is it possible for a DIY enthusiast to fix the OBDII code B17AD in a Jeep indicating a Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

While some basic troubleshooting and repairs can be done by DIY enthusiasts, diagnosing and fixing complex electrical issues like a circuit short to battery may require specialized tools and expertise. It's advisable to seek professional help if unsure.

10. Are there any preventive measures to avoid encountering the OBDII code B17AD in a Jeep for the Rear Left Trailer Turn Lamp Control Circuit Short To Battery in the future?

Regularly inspecting the vehicle's wiring and lighting components, avoiding overloading the trailer wiring system, and addressing any electrical issues promptly can help prevent the recurrence of this code.

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