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Jeep U0089

Do Not Replace the SGW, follow the diagnostic

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceService is appropriate if U0089 is present. Ask the Jeep service provider to follow the diagnostic referenced in manufacturer communication S2508000020 and not replace the SGW solely because U0089 is stored or active.
Confidence95%

Quick answer

For certain 2024–2025 Jeep Grand Cherokee and Wagoneer vehicles in the US, U0089 does not by itself establish that the Secure Gateway (SGW) has failed. Jeep’s referenced manufacturer communication says not to replace the SGW solely for this condition; follow the applicable diagnostic procedure.

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 U0089 mean?

For certain 2024–2025 Jeep Grand Cherokee and Wagoneer vehicles in the US, U0089 does not by itself establish that the Secure Gateway (SGW) has failed. Jeep’s referenced manufacturer communication says not to replace the SGW solely for this condition; follow the applicable diagnostic procedure.

2. Technical explanation

Verified manufacturer communication S2508000020 states that the Gateway (GW) is not the Vehicle Security Control Module referenced by the PCM DTC; the Body Control Module (BCM) is the security module. It further states that an active U0080 or U0089 in the SGW, or another DTC related to the SGW, may not indicate an SGW issue. The verified instruction is: do not replace the SGW; follow the diagnostic.

3. What system is affected?

Secure Gateway (SGW), with the manufacturer communication also distinguishing the SGW/Gateway from the Body Control Module (BCM), which it identifies as the security module.

4. How serious is this code?

Unknown. Verified evidence does not establish a severity classification for U0089.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • An SGW failure is not established by U0089 alone.
  • The verified communication indicates that the BCM, rather than the Gateway, is the security module referenced by the PCM DTC.
  • Any further root cause is 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

  • Do not authorize SGW replacement based on U0089 alone.
  • Have the vehicle diagnosed using the applicable manufacturer diagnostic procedure.
  • Provide the technician with manufacturer communication S2508000020 / NHTSA communication PDF 11015795.

10. Step-by-step troubleshooting

  1. Confirm whether U0089 is active and identify any accompanying DTCs.
  2. Follow the applicable manufacturer diagnostic procedure rather than treating U0089 as proof of an SGW failure.
  3. No additional troubleshooting steps are established by the verified evidence provided.

11. When to contact service

Service is appropriate if U0089 is present. Ask the Jeep service provider to follow the diagnostic referenced in manufacturer communication S2508000020 and not replace the SGW solely because U0089 is stored or active.

12. What the service center may check

  • Verify the DTC status and related DTCs.
  • Apply the manufacturer diagnostic procedure referenced by S2508000020.
  • Distinguish the Gateway/SGW from the BCM when evaluating the security-module reference in the PCM DTC.

13. Possible repair or resolution

  • Do not replace the SGW solely on the basis of U0089.
  • The final repair, if any, is not yet established by verified evidence and should follow the applicable diagnostic results.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 11015795, manufacturer communication S2508000020, published March 18, 2025. It states that U0080 or U0089 active in the SGW, or another SGW-related DTC, may not indicate an SGW issue and instructs technicians not to replace the SGW; follow the diagnostic.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication PDF 11015795: S2508000020, published March 18, 2025: https://static.nhtsa.gov/odi/tsbs/2025/MC-11015795-0001.pdf

19. Frequently asked questions

Does U0089 mean the SGW must be replaced?

No. The verified manufacturer communication specifically says that U0089 may not indicate an SGW issue and instructs technicians not to replace the SGW; follow the diagnostic.

Which module is identified as the security module in the manufacturer communication?

The communication states that the BCM is the security module, not the Gateway/SGW.

Which vehicles does this verified information apply to?

The supplied applicability evidence identifies US-market 2024–2025 Jeep Grand Cherokee and 2024–2025 Jeep Wagoneer vehicles.

Is it safe to drive or charge with U0089?

Not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Jeep U0089: Do Not Replace the SGW, follow the diagnostic | EV Diagnostics