Verified EV diagnostic knowledge page

Jeep U0184

Lost Communication With Radio

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Jeep dealer or qualified service provider for diagnosis, especially if the condition recurs.
Confidence95%

Quick answer

U0184 means “Lost Communication With Radio.” Verified evidence links it to certain 2024–2026 Jeep Grand Cherokee, Recon, and Wagoneer vehicles in the US.

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

Video guides

Watch Videos

Relevant videos play here without leaving this diagnostic page.

DTC Jeep U0184 Short ExplanationMaxidot

Videos are supporting material and never override OEM or regulator evidence.

1. What does U0184 mean?

U0184 means “Lost Communication With Radio.” Verified evidence links it to certain 2024–2026 Jeep Grand Cherokee, Recon, and Wagoneer vehicles in the US.

2. Technical explanation

A 2026 Jeep service communication states that technicians may find U0184-00, “Lost Communication With Radio,” set in other modules during the first start of the day, with no MIL illumination. The supplied evidence does not establish a component-level root cause or a repair procedure.

3. What system is affected?

Radio communications / vehicle module network.

4. How serious is this code?

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

5. Symptoms you may notice

  • U0184-00 may be stored in other modules during the first start of the day.
  • The MIL may not illuminate.

6. Possible causes

  • Not yet established by verified evidence.

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

  • Arrange diagnosis by an authorized Jeep service provider if the code is present or communication-related concerns occur.
  • Do not attempt high-voltage or module-network repairs yourself.

10. Step-by-step troubleshooting

  1. Verified evidence states that technicians should perform a key-related procedure, but the supplied excerpt does not contain the complete procedure. Refer the vehicle to an authorized Jeep service provider for the applicable bulletin instructions.

11. When to contact service

Contact an authorized Jeep dealer or qualified service provider for diagnosis, especially if the condition recurs.

12. What the service center may check

  • Check for U0184-00 stored in other modules.
  • Review the applicable Jeep service communication, 08-143-26, for the complete diagnostic instructions.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Jeep service communication 08-143-26, published April 3, 2026 (NHTSA Manufacturer Communication PDF 11031224), references U0184-00 during the first start of the day and notes that the MIL may not illuminate.

16. Recall information

  • No recall information was supplied as verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication PDF 11031224, Jeep communication 08-143-26: https://static.nhtsa.gov/odi/tsbs/2026/MC-11031224-0001.pdf

19. Frequently asked questions

What does Jeep code U0184 mean?

It means “Lost Communication With Radio.”

Can U0184 occur without a check-engine light?

Yes. The supplied Jeep service communication says U0184-00 may be found with no MIL illumination.

Which vehicles are supported by the supplied evidence?

US-market 2024–2026 Jeep Grand Cherokee, Recon, and Wagoneer vehicles.

Is it safe to drive or charge with U0184?

Not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Jeep U0184: Lost Communication With Radio | EV Diagnostics