Dodge U0184
Lost Communication With Radio
Quick answer
U0184 means “Lost Communication With Radio.” Verified applicability is 2024–2026 Dodge Charger vehicles in the US.
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 U0184 mean?
U0184 means “Lost Communication With Radio.” Verified applicability is 2024–2026 Dodge Charger vehicles in the US.
2. Technical explanation
The verified NHTSA manufacturer communication identifies U0184-00 as “Lost Communication With Radio.” It states that, during the first start of the day, technicians may find this code stored in other modules with no MIL illumination. The supplied evidence does not establish the underlying fault mechanism, a complete diagnostic procedure, or a repair for U0184 alone.
3. What system is affected?
Radio communication/networking. A broader vehicle system assignment is not yet established by verified evidence.
4. How serious is this code?
Unknown. The supplied evidence notes that U0184-00 may be present with no MIL illumination, but it does not establish a safety or drivability severity.
5. Symptoms you may notice
- U0184-00 may be stored in other modules during the first start of the day.
- No MIL illumination may be present when this code is found.
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
- Record when the code was found, including whether it occurred during the first start of the day.
- Have a Dodge-qualified service facility evaluate the vehicle if the code persists or communication-related concerns are present.
- Do not attempt high-voltage system repairs based on this code.
10. Step-by-step troubleshooting
- The supplied manufacturer communication indicates that technicians may find U0184-00 during the first start of the day and refers to performing a key-related procedure, but the exact procedure is not included in the supplied evidence.
- Further troubleshooting steps are not yet established by verified evidence.
11. When to contact service
Service need is not yet established by verified evidence. A Dodge service facility can assess persistent U0184-00 or associated communication concerns.
12. What the service center may check
- Verify whether U0184-00 is stored in other modules.
- Consider whether the code was logged during the first start of the day.
- The supplied source also lists U0149-00, Lost Communication With Security Gateway, as a code that may be present in the same context.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Dodge Charger · 2024–2026 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication PDF 11031224: 08-143-26, published April 3, 2026. The supplied excerpt states that U0184-00 and U0149-00 may be found during the first start of the day with no MIL illumination. Source: https://static.nhtsa.gov/odi/tsbs/2026/MC-11031224-0001.pdf
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA manufacturer communication 08-143-26 (PDF 11031224), published April 3, 2026: https://static.nhtsa.gov/odi/tsbs/2026/MC-11031224-0001.pdf
19. Frequently asked questions
What does Dodge code U0184 mean?
It means “Lost Communication With Radio.”
Which vehicles are verified as applicable?
The supplied evidence supports applicability to US-market 2024–2026 Dodge Charger vehicles.
Can U0184 occur without a check-engine light?
Yes. The supplied manufacturer communication states that U0184-00 may be found with no MIL illumination.
Is U0184 safe to drive or charge with?
Not yet established by verified evidence.