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Audi Traffic Jam Assist: malfunction!

Traffic Jam Assist: malfunction!

DriveUnknown. The supplied verified evidence does not state whether the vehicle is safe to drive with this alert.
ChargeUnknown. The supplied verified evidence does not state whether charging is affected or safe.
ServiceService need is unknown in the diagnostic record; however, an Audi/NHTSA TSB exists for this message and documents module-level diagnostic checks. Contact an Audi service provider for diagnosis.
Confidence90%

Quick answer

Audi’s “Traffic Jam Assist: malfunction!” alert is a verified instrument-cluster malfunction indication. An Audi technical service bulletin (TSB) documents it together with possible stored faults involving the front camera R242 and distance regulation control module J428.

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 Traffic Jam Assist: malfunction! mean?

Audi’s “Traffic Jam Assist: malfunction!” alert is a verified instrument-cluster malfunction indication. An Audi technical service bulletin (TSB) documents it together with possible stored faults involving the front camera R242 and distance regulation control module J428.

2. Technical explanation

Verified Audi/NHTSA TSB evidence states that the instrument cluster may display “Traffic Jam Assist: malfunction!” or “Audi Active Lane Assist: malfunction!”. The bulletin identifies possible related diagnostic findings in the front camera R242 (address 00A5) and distance regulation control module J428 (address 0013). One specifically documented fault is U112300, “Databus error value received,” with symptom code 1123220, in the front-camera module. The supplied evidence does not establish a single universal root cause for every occurrence.

3. What system is affected?

Traffic Jam Assist, with TSB-documented diagnostic relevance to the front camera R242 and distance regulation control module J428.

4. How serious is this code?

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

5. Symptoms you may notice

  • Instrument-cluster message: “Traffic Jam Assist: malfunction!”.
  • The same TSB also documents the possible message: “Audi Active Lane Assist: malfunction!”.
  • Possible stored diagnostic fault U112300 (“Databus error value received”) with symptom code 1123220 in front camera R242, as documented by the TSB.

6. Possible causes

  • A fault condition involving the front camera R242 and/or distance regulation control module J428 is documented by the TSB.
  • A specific universal cause is not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied verified evidence does not state whether the vehicle is safe to drive with this alert.

8. Can I charge the vehicle?

Unknown. The supplied verified evidence does not state whether charging is affected or safe.

9. What you can safely do

  • Arrange diagnosis by an Audi service provider or other qualified automotive technician.
  • Record the exact dashboard message and any accompanying warnings for the service visit.
  • Do not attempt airbag, camera, control-module, wiring, or high-voltage repairs yourself.

10. Step-by-step troubleshooting

  1. Have a qualified technician scan front camera R242 at address 00A5 and distance regulation control module J428 at address 0013.
  2. Check whether U112300 (“Databus error value received”) with symptom code 1123220 is stored in the front-camera module, as identified in the TSB.
  3. Use the applicable Audi repair information and TSB procedure. Further owner-level troubleshooting is not established by the supplied verified evidence.

11. When to contact service

Service need is unknown in the diagnostic record; however, an Audi/NHTSA TSB exists for this message and documents module-level diagnostic checks. Contact an Audi service provider for diagnosis.

12. What the service center may check

  • Confirm the reported instrument-cluster message.
  • Scan front camera R242 (address 00A5).
  • Scan distance regulation control module J428 (address 0013).
  • Check for TSB-documented U112300 with symptom code 1123220 in front camera R242.
  • Follow the applicable Audi repair manual and bulletin procedure.

13. Possible repair or resolution

  • Not yet established by verified evidence in the supplied material. The evidence supports professional diagnosis using the applicable Audi TSB and repair information.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi/NHTSA Manufacturer Communication 10222137, A9622792061932_5, published September 28, 2022.
  • Audi/NHTSA Manufacturer Communication 10220395, A9622782061932_4, published September 16, 2022.
  • Audi/NHTSA Manufacturer Communication 10199492, A9621722061932_3, published July 26, 2021.
  • Audi/NHTSA Manufacturer Communication 10189326, A9621652061932_2, published March 19, 2021.
  • Audi/NHTSA Manufacturer Communication 10186577, A9621612061932_1, published January 19, 2021.

16. Recall information

  • Not yet established by verified evidence. The supplied sources are manufacturer communications/TSBs, not recall records.

17. Official manufacturer information

Official NHTSA-hosted Audi manufacturer communications are provided in the source evidence, including NHTSA communication 10222137: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10222137

19. Frequently asked questions

What does “Traffic Jam Assist: malfunction!” mean?

It is a verified Audi instrument-cluster malfunction message. The supplied TSB evidence associates the message with diagnostic investigation of front camera R242 and distance regulation control module J428.

Which vehicles are covered by the supplied applicability data?

The supplied data lists US-market Audi A7, A8, Q5, and e-tron vehicles across overlapping model-year ranges from 2019 through 2023. Exact applicability should be confirmed by VIN and the current Audi bulletin information.

Is U112300 related to this message?

The TSB states that U112300, “Databus error value received,” with symptom code 1123220 may be stored in front camera R242 when this message is reported.

Can I continue driving?

Not yet established by verified evidence. The supplied record marks drive safety as unknown.

20. Sources & verification

Verified
Audi Traffic Jam Assist: malfunction!: Traffic Jam Assist: malfunction! | EV Diagnostics