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Audi B2F0100

358656 (static) and 339457 (intermittent). And/Or  DTC U012700 (Tire Pressure Monitoring Control Module - no Communication) with symptom code 358656 (static). In addition to one o

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact an Audi service provider for diagnosis, particularly if the ABS/ESC warning lamp flashes when diagnostic equipment is connected or these DTCs are present.
Confidence95%

Quick answer

For certain US-market Audi EVs, B2F0100 (development code 1) has been documented in the ABS control module J104 during PDI or diagnostic work, with symptom codes 358656 (static) and 339457 (intermittent). Audi documentation also identifies U012700 and possibly U112200 in the same context. No customer concern may be present.

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 B2F0100 mean?

For certain US-market Audi EVs, B2F0100 (development code 1) has been documented in the ABS control module J104 during PDI or diagnostic work, with symptom codes 358656 (static) and 339457 (intermittent). Audi documentation also identifies U012700 and possibly U112200 in the same context. No customer concern may be present.

2. Technical explanation

Verified Audi manufacturer communications describe B2F0100 in ABS control module J104 (address word 0003). The documented condition is B2F0100 (development code 1) with symptom code 358656 stored statically and/or 339457 stored intermittently. The same communications describe U012700, “Tire Pressure Monitoring Control Module - no Communication,” with symptom code 358656. U112200, “Data bus implausible message,” may also be logged; the supplied evidence does not establish further details for its symptom code or diagnostic significance.

3. What system is affected?

ABS control module J104 (address word 0003). The verified evidence also references communication with the Tire Pressure Monitoring Control Module.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • No customer concerns may be present; the condition may be found during PDI or other diagnostic work.
  • The ABS/ESC warning lamp may flash in the instrument cluster when a diagnostic tester is connected.

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

  • Arrange diagnosis by an Audi service provider if the warning lamp behavior or stored DTCs are present.
  • Do not attempt high-voltage or module repair based on this information.

10. Step-by-step troubleshooting

  1. Read fault memory in ABS control module J104 (address word 0003) using appropriate Audi diagnostic equipment.
  2. Confirm whether B2F0100 is recorded with symptom code 358656 (static) and/or 339457 (intermittent).
  3. Check whether U012700 is also present with symptom code 358656, and document any U112200 entries.
  4. Apply the applicable Audi service information; further diagnostic and repair steps are not established by the supplied verified evidence.

11. When to contact service

Contact an Audi service provider for diagnosis, particularly if the ABS/ESC warning lamp flashes when diagnostic equipment is connected or these DTCs are present.

12. What the service center may check

  • Scan ABS control module J104 (address word 0003) for B2F0100, U012700, and any U112200 entries.
  • Record the DTC symptom codes and whether each fault is static or intermittent.
  • Review the applicable Audi manufacturer communication for the vehicle and model year.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Audi manufacturer communication A4521222064758_1, published through NHTSA on October 11, 2021 (NHTSA document MC-10202207-0001).
  • Audi manufacturer communication A4522252064758_2, published through NHTSA on May 20, 2022 (NHTSA document MC-10212112-0001).
  • Audi manufacturer communication A4522282064758_3, published through NHTSA on November 2, 2022 (NHTSA document MC-10226250-0001).

16. Recall information

  • No recalls are established by the supplied verified evidence.

17. Official manufacturer information

Official NHTSA-hosted Audi manufacturer communications: https://static.nhtsa.gov/odi/tsbs/2022/MC-10226250-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2022/MC-10212112-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2021/MC-10202207-0001.pdf

19. Frequently asked questions

What does B2F0100 mean in this documented Audi context?

It is documented as B2F0100 (development code 1) in ABS control module J104, with symptom code 358656 static and/or 339457 intermittent.

Can this code be present without a customer complaint?

Yes. The manufacturer communications state that there may be no customer concerns and that the condition can be found during PDI or other diagnostic work.

Which warning indication is documented?

The ABS/ESC warning lamp may flash in the instrument cluster when the diagnostic tester is connected.

Is U012700 related in the documented condition?

Yes. The communications list U012700, Tire Pressure Monitoring Control Module - no Communication, with symptom code 358656.

20. Sources & verification

Verified
Audi B2F0100: 358656 (static) and 339457 (intermittent). And/Or  DTC… | EV Diagnostics