Volkswagen B131329
2068173/1 01-22-06 - Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units Release date: 10/17/2022 Page 5 of 7 © 2022 Volkswagen Group of America, Inc. All ri
Quick answer
For a 2022 Volkswagen ID.4 in the US, DTC B131329 is listed by Volkswagen as “signal for brake light implausible signal” in the data bus control unit (address 0019). The cited Volkswagen technical service bulletin categorizes it among irrelevant DTCs logged in various control units.
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1. What does B131329 mean?
For a 2022 Volkswagen ID.4 in the US, DTC B131329 is listed by Volkswagen as “signal for brake light implausible signal” in the data bus control unit (address 0019). The cited Volkswagen technical service bulletin categorizes it among irrelevant DTCs logged in various control units.
2. Technical explanation
Verified evidence identifies B131329 as a passive/sporadic entry in the data bus control unit, diagnosis address 0019. The available source is Volkswagen Technical Service Bulletin 2068173/1, released October 17, 2022, titled “Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units.” The supplied evidence does not establish a component failure, a confirmed root cause, or a specific repair procedure for this code.
3. What system is affected?
Data bus control unit, diagnosis address 0019. The code description references a brake-light signal.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
Not yet established by verified evidence.
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
- Record the stored DTC status and diagnostic address for service diagnosis.
- Have a Volkswagen-qualified service provider evaluate the vehicle if the code is present or if brake-light concerns are observed.
- Do not perform high-voltage system repairs based on this DTC.
10. Step-by-step troubleshooting
- Verify that B131329 is stored in data bus control unit address 0019 and note whether it is passive/sporadic, as described in the cited bulletin.
- Review Volkswagen Technical Service Bulletin 2068173/1 for the applicable 2022 US-market Volkswagen ID.4 context.
- No further diagnostic sequence is established by the supplied verified evidence.
11. When to contact service
Contact a Volkswagen dealer or qualified Volkswagen service provider for diagnosis, particularly if brake-light operation is in question. The supplied evidence does not establish whether immediate service is required.
12. What the service center may check
- Confirm the DTC and its status in data bus control unit address 0019.
- Review the vehicle against Volkswagen TSB 2068173/1.
- Additional service checks are not yet established by verified evidence.
13. Possible repair or resolution
- The supplied verified evidence does not establish a repair or resolution for B131329.
14. Affected vehicles
- Volkswagen ID.4 · 2022 · US
15. Related TSBs / service bulletins
- Volkswagen Technical Service Bulletin 2068173/1, “Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units,” released October 17, 2022. NHTSA manufacturer communication PDF 10224845: https://static.nhtsa.gov/odi/tsbs/2022/MC-10224845-0001.pdf
16. Recall information
- No recall information is established by the supplied verified evidence.
17. Official manufacturer information
Official source: NHTSA-hosted Volkswagen manufacturer communication, Technical Service Bulletin 2068173/1, released October 17, 2022: https://static.nhtsa.gov/odi/tsbs/2022/MC-10224845-0001.pdf. Verified applicability supplied: 2022 Volkswagen ID.4, US market.
19. Frequently asked questions
What does Volkswagen DTC B131329 mean?
In the supplied Volkswagen bulletin, B131329 is described as “signal for brake light implausible signal.” It is listed in the data bus control unit, diagnosis address 0019, as passive/sporadic.
Does B131329 prove that a brake-light component has failed?
No. The supplied evidence does not establish a confirmed failed component or root cause. The cited bulletin places the code within a publication addressing irrelevant DTCs logged in various control units.
Is B131329 applicable to the Volkswagen ID.4?
The supplied applicability evidence identifies the 2022 Volkswagen ID.4 in the US market.