Dodge U0149
Lost Communication With Security Gateway. At this time, technicians should perform a key‑ cycle recovery to restore normal function. D
Quick answer
For verified applicability, U0149-00 means “Lost Communication With Security Gateway” on 2024–2026 Dodge Charger vehicles in the US. The referenced official Dodge/NHTSA communication instructs technicians to perform a key-cycle recovery to restore normal function.
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 U0149 mean?
For verified applicability, U0149-00 means “Lost Communication With Security Gateway” on 2024–2026 Dodge Charger vehicles in the US. The referenced official Dodge/NHTSA communication instructs technicians to perform a key-cycle recovery to restore normal function.
2. Technical explanation
The verified manufacturer communication identifies U0149-00 as a lost-communication fault involving the Security Gateway. It states that other modules may set this DTC with no MIL illumination and directs technicians to perform a key-cycle recovery to restore normal function. The supplied evidence does not establish an underlying component failure or a specific permanent repair.
3. What system is affected?
Security Gateway communications.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- U0149-00 may be stored by other modules.
- The verified communication states this may occur with no MIL illumination.
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
- Have a qualified technician perform the key-cycle recovery specified in the official manufacturer communication.
- If the condition remains or returns, arrange diagnostic service.
10. Step-by-step troubleshooting
- Verified technician direction: perform a key-cycle recovery to restore normal function.
- Further troubleshooting steps are not yet established by verified evidence.
11. When to contact service
Contact an authorized Dodge service center if U0149-00 persists or recurs after the key-cycle recovery.
12. What the service center may check
- Confirm whether U0149-00 is present in other modules.
- Perform the manufacturer-directed key-cycle recovery.
- Additional service checks are not yet established by verified evidence.
13. Possible repair or resolution
- A key-cycle recovery is the only verified resolution direction in the supplied manufacturer communication.
- A permanent repair, if needed, is 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. It references U0149-00, “Lost Communication With Security Gateway,” and directs technicians to perform a key-cycle recovery to restore normal function.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication PDF 11031224: 08-143-26 (Dodge), https://static.nhtsa.gov/odi/tsbs/2026/MC-11031224-0001.pdf
19. Frequently asked questions
What does Dodge code U0149-00 mean?
The verified manufacturer communication defines it as “Lost Communication With Security Gateway.”
Will the malfunction indicator lamp illuminate?
The communication states that U0149-00 may be set by other modules with no MIL illumination.
What does the official communication tell technicians to do?
It directs technicians to perform a key-cycle recovery to restore normal function.
Does this evidence confirm that the vehicle is unsafe to drive or charge?
No. Driveability and charging status are not yet established by verified evidence.