NHTSA service bulletin

NHTSA Service Bulletin 10201506: 2019-2022 Audi A4

Official manufacturer communication context for 2019-2022 Audi A4, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10201506 summary graphic for 2019-2022 Audi A4
10201506NHTSA document ID
Manufacturer communicationcommunication type
21affected product rows
21source rows grouped

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

This bulletin contains instructions for when DTC B101C29 and/or B101D29 is stored in the airbag control module.

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
AudiA42019-2022Ask for service records and run the exact VIN before purchase.
AudiA52019-2022Ask for service records and run the exact VIN before purchase.
AudiA5 Cabriolet2019-2021Ask for service records and run the exact VIN before purchase.
AudiA62019-2022Ask for service records and run the exact VIN before purchase.
AudiA6 Allroad2020, 2021Ask for service records and run the exact VIN before purchase.
AudiA72019-2022Ask for service records and run the exact VIN before purchase.
AudiA7 E2021, 2022Ask for service records and run the exact VIN before purchase.
AudiAllroad2019-2022Ask for service records and run the exact VIN before purchase.
AudiQ72019-2022Ask for service records and run the exact VIN before purchase.
AudiQ82019-2022Ask for service records and run the exact VIN before purchase.
AudiRs 52019, 2021, 2022Ask for service records and run the exact VIN before purchase.
AudiRs 72021, 2022Ask for service records and run the exact VIN before purchase.
AudiRs Q82020-2022Ask for service records and run the exact VIN before purchase.
AudiRs72020Ask for service records and run the exact VIN before purchase.
AudiS42019-2022Ask for service records and run the exact VIN before purchase.
AudiS52019-2022Ask for service records and run the exact VIN before purchase.
AudiS5 Cabriolet2019-2021Ask for service records and run the exact VIN before purchase.
AudiS62020-2022Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10201506?

This bulletin contains instructions for when DTC B101C29 and/or B101D29 is stored in the airbag control module.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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