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Jeep B15A1

00 Media Port Connection 1 Connection Found Set

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService need is not yet established by verified evidence. If the code is repeatedly stored or media-port/radio concerns are present, consult an authorized Jeep service provider and provide DTC B15A1-00 plus the applicable communication reference.
Confidence95%

Quick answer

B15A1-00 is a Jeep diagnostic trouble code identified as “Media Port Connection 1 Connection Found Set.” Verified manufacturer communications state that the Radio (ETM) can continually store this code.

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 B15A1 mean?

B15A1-00 is a Jeep diagnostic trouble code identified as “Media Port Connection 1 Connection Found Set.” Verified manufacturer communications state that the Radio (ETM) can continually store this code.

2. Technical explanation

The verified evidence identifies B15A1-00 as a media-port-related diagnostic trouble code. One official manufacturer communication is titled “Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection,” and another specifically addresses “Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.” The supplied evidence does not establish the underlying failure mechanism, diagnostic procedure, or repair.

3. What system is affected?

Media Port Connection 1 / Radio (ETM), based on the official manufacturer communication titles.

4. How serious is this code?

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

5. Symptoms you may notice

  • A stored B15A1-00 code in the Radio (ETM) is established by verified manufacturer communication.
  • Other user-visible symptoms are not yet established by verified evidence.

6. Possible causes

  • An underlying cause is not yet established by verified evidence.
  • Verified evidence does establish that the Radio (ETM) may always set and store B15A1-00.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Record the exact code as B15A1-00 and note whether it returns after being cleared by qualified service personnel.
  • Use the official manufacturer communication references when arranging diagnosis.
  • Do not infer a high-voltage or charging-system fault from this code; the verified evidence identifies a media-port and radio-related code.

10. Step-by-step troubleshooting

  1. A verified diagnostic procedure is not supplied in the evidence.
  2. Qualified service personnel can review official manufacturer communication S2508000091 and S258A000021 for the applicable vehicle.

11. When to contact service

Service need is not yet established by verified evidence. If the code is repeatedly stored or media-port/radio concerns are present, consult an authorized Jeep service provider and provide DTC B15A1-00 plus the applicable communication reference.

12. What the service center may check

  • Check whether official manufacturer communication S2508000091 applies to the vehicle.
  • Check whether official manufacturer communication S258A000021 applies to the vehicle.
  • No additional service checks are established by the supplied verified evidence.

13. Possible repair or resolution

  • A repair resolution is not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication 11024617, S2508000091, published October 17, 2025: “Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection.”
  • NHTSA Manufacturer Communication 11026552, S258A000021, published December 3, 2025: “Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.”

16. Recall information

  • No recall information was supplied in the verified evidence.

17. Official manufacturer information

Official NHTSA-hosted manufacturer communications: 11024617 (S2508000091), https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11024617; and 11026552 (S258A000021), https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2025-2026.zip#nhtsa_id=11026552.

19. Frequently asked questions

What does Jeep code B15A1-00 mean?

It means “Media Port Connection 1 Connection Found Set,” according to the supplied diagnostic record and official manufacturer communication title.

What module is associated with B15A1-00?

Verified evidence associates the code with the Radio (ETM) and Media Port Connection 1.

Is B15A1-00 a charging or high-voltage battery code?

The supplied evidence identifies it as a media-port/radio-related code. Charging or high-voltage battery involvement is not established by verified evidence.

Can I drive or charge with B15A1-00?

Not yet established by verified evidence.

Is there an official manufacturer communication for B15A1-00?

Yes. The supplied evidence lists S2508000091 and S258A000021, hosted by NHTSA as manufacturer communications.

20. Sources & verification

Verified
Jeep B15A1: 00 Media Port Connection 1 Connection Found Set | EV Diagnostics