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Audi U029200

The fuses SJ7 and/or SD5 may be found open. Technical Background The low voltage wiring harness for the rear electric drive motor may be damaged due to incorrect routing. Productio

DriveNot yet established by verified evidence. The communication reports that affected vehicles may have no drive readiness or restricted drive-position selection.
ChargeNot yet established by verified evidence.
ServiceContact an authorized Audi service provider for diagnosis, particularly if the vehicle has no drive readiness, restricted drive-position selection, or warning messages.
Confidence95%

Quick answer

For certain 2019 Audi e-tron vehicles in the US, DTC U029200 may be associated with an incorrectly routed low-voltage wiring harness for the rear electric drive motor. Audi states this harness may be damaged, and fuses SJ7 and/or SD5 may be open.

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 U029200 mean?

For certain 2019 Audi e-tron vehicles in the US, DTC U029200 may be associated with an incorrectly routed low-voltage wiring harness for the rear electric drive motor. Audi states this harness may be damaged, and fuses SJ7 and/or SD5 may be open.

2. Technical explanation

The verified Audi/NHTSA manufacturer communication identifies U029200 as “Lost Communication with Drive Motor Control Module ‘B’.” The communication says the low-voltage wiring harness for the rear electric drive motor may be damaged due to incorrect routing. It also notes that fuses SJ7 and/or SD5 may be found open. Audi listed an optimized cable routing as the production solution.

3. What system is affected?

Rear electric drive motor low-voltage wiring harness; Drive Motor Control Module B communication; fuses SJ7 and/or SD5.

4. How serious is this code?

Not yet established by verified evidence. However, the verified communication describes loss of drive readiness or restricted drive-position selection.

5. Symptoms you may notice

  • No drive readiness.
  • Restricted drive-position selection.
  • Various warning messages displayed in the instrument cluster.
  • DTC U029200 may be stored in the electrical drive control module J841 (address 0051) and/or engine control module 1 J623 (address 0001).
  • Fuses SJ7 and/or SD5 may be open.

6. Possible causes

  • The low-voltage wiring harness for the rear electric drive motor may be damaged due to incorrect routing.

7. Can I still drive the vehicle?

Not yet established by verified evidence. The communication reports that affected vehicles may have no drive readiness or restricted drive-position selection.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • If warning messages, no-drive-readiness, or restricted drive-position selection occurs, arrange diagnosis by an Audi service provider.
  • Do not attempt high-voltage or electrical-drive-system repairs yourself.
  • Record any instrument-cluster warnings and diagnostic findings for the service appointment.

10. Step-by-step troubleshooting

  1. A qualified technician can check whether U029200 is stored in J841 and/or J623.
  2. A qualified technician can inspect the rear electric-drive-motor low-voltage wiring harness for damage related to routing.
  3. A qualified technician can check whether fuses SJ7 and/or SD5 are open.

11. When to contact service

Contact an authorized Audi service provider for diagnosis, particularly if the vehicle has no drive readiness, restricted drive-position selection, or warning messages.

12. What the service center may check

  • Check for U029200 in electrical drive control module J841, address 0051.
  • Check for U029200 in engine control module 1 J623, address 0001.
  • Inspect the low-voltage wiring harness for the rear electric drive motor for damage caused by incorrect routing.
  • Check fuses SJ7 and/or SD5 for an open condition.

13. Possible repair or resolution

  • Audi identified optimized cable routing as the production solution.
  • The specific service repair procedure is not established by the supplied verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi/NHTSA Manufacturer Communication 10164231, published August 19, 2019: A9319132055804_1. It applies to certain 2019 Audi e-tron vehicles in the US and addresses U029200, possible open SJ7/SD5 fuses, and possible rear electric-drive-motor low-voltage harness damage from incorrect routing.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication PDF 10164231, Audi document A9319132055804_1: https://static.nhtsa.gov/odi/tsbs/2019/MC-10164231-0001.pdf

19. Frequently asked questions

What does U029200 mean in the verified Audi communication?

It is identified as “Lost Communication with Drive Motor Control Module ‘B’.”

What vehicles are covered by the supplied evidence?

Certain 2019 Audi e-tron vehicles in the US. Exact VIN applicability is not established by the supplied evidence.

What can cause this condition according to Audi?

Audi states that the rear electric-drive-motor low-voltage wiring harness may be damaged due to incorrect routing.

Are fuse SJ7 and SD5 relevant?

Yes. The communication states that fuses SJ7 and/or SD5 may be found open.

20. Sources & verification

Verified
Audi U029200: The fuses SJ7 and/or SD5 may be found open. Technical… | EV Diagnostics