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Volkswagen U173E00

passive sporadic ‒ Symptom 8511746 Technical Service Bulletin Transaction No: 2068173/1 01-22-06 - Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units Releas

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a Volkswagen dealer or qualified Volkswagen service provider for diagnosis, particularly if warnings related to occupant detection are displayed.
Confidence95%

Quick answer

For a 2022 Volkswagen ID.4 in the US, DTC U173E00 is documented by Volkswagen as: “occupant detection system, restricted function because of implausible message,” recorded as passive/sporadic. It appears in Technical Service Bulletin transaction 2068173/1 concerning irrelevant DTCs logged in various control units.

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 U173E00 mean?

For a 2022 Volkswagen ID.4 in the US, DTC U173E00 is documented by Volkswagen as: “occupant detection system, restricted function because of implausible message,” recorded as passive/sporadic. It appears in Technical Service Bulletin transaction 2068173/1 concerning irrelevant DTCs logged in various control units.

2. Technical explanation

The verified bulletin evidence identifies U173E00 with symptom number 8511746. The code concerns the occupant detection system and indicates a restricted function due to an implausible message. Its recorded status is passive/sporadic. The supplied evidence does not establish the specific component, message source, diagnostic path, or repair for an individual vehicle.

3. What system is affected?

Occupant detection system.

4. How serious is this code?

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

5. Symptoms you may notice

  • A stored passive/sporadic U173E00 fault may be present.
  • The verified description states that the occupant detection system has a restricted function because of an implausible message.

6. Possible causes

  • The verified evidence identifies an implausible message affecting the occupant detection system.
  • The underlying 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

  • Arrange diagnosis with a Volkswagen service provider if the code is present or if occupant-detection-related warnings are displayed.
  • Provide the technician with DTC U173E00 and reference Technical Service Bulletin transaction 2068173/1.
  • Do not attempt high-voltage or restraint-system repairs yourself.

10. Step-by-step troubleshooting

  1. Confirm the stored DTC, its status, and associated scan information with an appropriate diagnostic tool.
  2. Check whether Volkswagen Technical Service Bulletin transaction 2068173/1 applies to the vehicle and current software/configuration. Further diagnostic steps are not established by the supplied verified evidence.

11. When to contact service

Contact a Volkswagen dealer or qualified Volkswagen service provider for diagnosis, particularly if warnings related to occupant detection are displayed.

12. What the service center may check

  • Verify U173E00 and its passive/sporadic status.
  • Review Technical Service Bulletin transaction 2068173/1, titled “Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units.”
  • Determine whether the bulletin applies to the specific vehicle. Additional service checks are not established by verified evidence.

13. Possible repair or resolution

  • The supplied verified evidence does not establish a specific repair or resolution for U173E00.
  • The cited Volkswagen bulletin addresses irrelevant DTCs logged in various control units; applicability and any corrective action must be confirmed by a Volkswagen service provider.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Volkswagen Technical Service Bulletin transaction 2068173/1, “Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units,” release date October 17, 2022. The supplied NHTSA-hosted manufacturer communication lists U173E00 as occupant detection system restricted function because of implausible message, passive/sporadic, symptom 8511746.

16. Recall information

  • No recall is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA-hosted Volkswagen manufacturer communication PDF 10224845, V0122062068173_1, published October 17, 2022: https://static.nhtsa.gov/odi/tsbs/2022/MC-10224845-0001.pdf

19. Frequently asked questions

What does U173E00 mean on a 2022 Volkswagen ID.4?

Verified bulletin evidence describes it as “occupant detection system, restricted function because of implausible message,” with a passive/sporadic status.

Is U173E00 covered by a Volkswagen bulletin?

The supplied evidence lists it in Volkswagen Technical Service Bulletin transaction 2068173/1 concerning irrelevant DTCs logged in various control units.

Is it safe to drive or charge with U173E00?

Not yet established by verified evidence.

What repair fixes U173E00?

Not yet established by verified evidence.

20. Sources & verification

Verified
Volkswagen U173E00: passive sporadic ‒ Symptom 8511746 Technical… | EV Diagnostics