AutoCodes – RAM – B17AD RAM

B17AD RAM 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 RAM 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.
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Code Popularity 649
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 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 Left Rear Trailer Turn Lamp Control circuit.
OBDII Code B17AD RAM - Rear Left Trailer Turn Lamp Control Circuit Short To Battery - AutoCodes.com
B17AD RAM Code - Rear Left Trailer Turn Lamp Control Circuit Short To Battery

What are the Possible Causes of the DTC B17AD RAM?

  • 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 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 B17AD 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 B17AD RAM Code

1. What are the common symptoms of OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

The common symptoms include the rear left trailer turn lamp not functioning properly, flickering, or staying on constantly when not in use.

2. What are the possible causes of OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

Possible causes include a short circuit in the wiring, a faulty trailer turn lamp control module, or a malfunctioning trailer wiring harness.

3. How can I diagnose the issue related to OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

You can start by visually inspecting the wiring and connections for any visible damage or corrosion. Using a multimeter to check for continuity and voltage in the circuit can help pinpoint the exact location of the short.

4. What are some repair tips for resolving OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

Repair tips include repairing or replacing any damaged wiring, connectors, or components in the circuit. It's also important to check and repair any issues with the trailer turn lamp control module or trailer wiring harness.

5. Can OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery cause any other electrical problems in the vehicle?

Yes, a short circuit in the trailer turn lamp control circuit can potentially affect other electrical systems in the vehicle, leading to malfunctions or issues with other lighting components or control modules.

6. Is it safe to continue driving with OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

It is not recommended to drive with this code active, as it can compromise the visibility and safety of your vehicle on the road, especially when signaling or turning.

7. Can a DIY enthusiast fix OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue. However, it's important to follow proper safety precautions and consult a repair manual for guidance.

8. How much does it typically cost to repair OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery at a professional auto repair shop?

The cost of repairs can vary depending on the extent of the damage and the specific components that need to be replaced. On average, you can expect to pay anywhere from $100 to $300 for parts and labor.

9. Will resetting the OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery make the issue go away?

Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the short circuit. It's important to diagnose and repair the problem to prevent further issues.

10. How can I prevent OBDII code B17AD RAM for Rear Left Trailer Turn Lamp Control Circuit Short To Battery from recurring in the future?

Regularly inspecting the trailer wiring and connections for damage, ensuring proper installation of aftermarket trailer lighting components, and avoiding overloading the trailer electrical system can help prevent this code from recurring.

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