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Jeep B17AD

13 May Be Set

DriveUnknown. The supplied verified evidence does not establish whether the vehicle is safe to drive with B17AD-13 set.
ChargeUnknown. The supplied verified evidence does not establish whether charging is affected or safe.
ServiceContact an authorized Jeep service provider for diagnosis, especially if trailer tow lights are inoperative or B17AD-13 is stored.
Confidence95%

Quick answer

For certain 2022–2025 US Jeep Grand Cherokee and Wagoneer vehicles, DTC B17AD-13 may be set in connection with trailer tow lights being inoperative, according to an NHTSA-published manufacturer communication.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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1. What does B17AD mean?

For certain 2022–2025 US Jeep Grand Cherokee and Wagoneer vehicles, DTC B17AD-13 may be set in connection with trailer tow lights being inoperative, according to an NHTSA-published manufacturer communication.

2. Technical explanation

Verified evidence identifies B17AD-13 as a DTC that may be set alongside B166E-13 in a manufacturer communication titled “Trailer Tow Lights Inoperative.” The supplied evidence does not establish a component-level fault description, diagnostic procedure, or repair method for B17AD-13.

3. What system is affected?

Trailer tow lighting, based on the title of the cited manufacturer communication.

4. How serious is this code?

Unknown. The supplied verified evidence does not assign a severity level.

5. Symptoms you may notice

  • Trailer tow lights may be inoperative.

6. Possible causes

  • Not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not establish whether the vehicle is safe to drive with B17AD-13 set.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not establish whether charging is affected or safe.

9. What you can safely do

  • If trailer lighting is inoperative, verify trailer lighting operation before towing.
  • Have the vehicle evaluated by an authorized Jeep service provider if B17AD-13 is present or trailer tow lights are inoperative.

10. Step-by-step troubleshooting

  1. The supplied verified evidence establishes that B17AD-13 may be set in the trailer tow lights inoperative condition.
  2. No owner-level diagnostic steps are established by the supplied evidence.

11. When to contact service

Contact an authorized Jeep service provider for diagnosis, especially if trailer tow lights are inoperative or B17AD-13 is stored.

12. What the service center may check

  • Confirm whether B17AD-13 is present.
  • Assess the trailer tow lighting concern referenced in manufacturer communication S2523000023.
  • The supplied evidence does not establish further service checks.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11016708: S2523000023, published April 4, 2025. Title: “Trailer Tow Lights Inoperative.” The communication states that DTCs B166E-13 and B17AD-13 may be set.

16. Recall information

  • No recalls are established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 11016708, S2523000023, published April 4, 2025: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11016708

19. Frequently asked questions

What does Jeep code B17AD-13 mean?

The supplied verified evidence identifies B17AD-13 as a DTC that may be set in a manufacturer communication concerning trailer tow lights being inoperative. A more specific meaning is not established by the supplied evidence.

Which vehicles are covered by the available evidence?

The verified applicability data covers US-market 2022–2025 Jeep Grand Cherokee and 2022–2025 Jeep Wagoneer vehicles.

Is B17AD-13 related to charging or the high-voltage system?

Not yet established by verified evidence. The available manufacturer communication concerns trailer tow lights.

Is there a verified repair for B17AD-13?

Not yet established by verified evidence.

20. Sources & verification

Verified
Jeep B17AD: 13 May Be Set | EV Diagnostics