Audi Q5/SQ5 Airbag Warning Light: DTCs B100A1B, B100B1B
Audi has issued a manufacturer communication (NHTSA ID 10247497) addressing instances where the "airbag warning light is on" in 2021-2023 Audi Q5 and SQ5 models, accompanied by diagnostic trouble codes B100A1B or B100B1B. This bulletin provides dealers with information to diagnose and resolve the…
Şu araçlar için de geçerli
- Audi Q5
- 2021–2022
- Audi SQ5
- 2021–2023
Symptoms
Owners of 2021-2023 Audi Q5 and SQ5 vehicles may observe an "airbag warning light is on" message illuminated on their instrument cluster. This warning indicates a detected malfunction within the vehicle's supplemental restraint system (SRS), commonly known as the airbag system.
Fault Codes / DTCs
When the "airbag warning light is on" message appears, diagnostic scans may reveal specific fault codes. The manufacturer communication, NHTSA ID 10247497, specifically mentions the following diagnostic trouble codes:
- B100A1B
- B100B1B
These codes point to specific issues within the airbag system that require attention.
Diagnosis
This bulletin provides information to Audi technicians regarding the diagnosis of the airbag system when the "airbag warning light is on" and DTCs B100A1B or B100B1B are present. While the specific diagnostic steps are not detailed in the public summary, the communication ensures that dealerships have the necessary guidance to properly identify the root cause of the Audi Q5 airbag warning light.
Repair Procedure Summary
The manufacturer communication (NHTSA ID 10247497) is intended to inform dealers about how to address the airbag warning light issue. The bulletin contains information to guide technicians through the necessary repair procedures to resolve the condition and clear the associated DTCs. Owners experiencing an Audi Q5 airbag warning light should be aware that their dealership has access to this technical guidance.
Owner Action
If your 2021-2023 Audi Q5 or SQ5 displays an "airbag warning light is on" message or you have confirmed the presence of DTCs B100A1B or B100B1B, it is crucial to have your vehicle inspected by an authorized Audi dealer. The airbag system is a critical safety component, and any malfunction should be addressed promptly. The dealership will use the information provided in manufacturer communication NHTSA ID 10247497 to diagnose and perform the appropriate repairs.
Source: NHTSA ID 10247497
Bu TSB'nin diğer revizyonları
- 2022-2025 Audi A3/S3/RS 3 Airbag DTC B100B1B / B100A1BB100A1B, B100B1B
- 2021-2024 Audi Q5 / SQ5 Airbag Warning Light TSBB100A1B, B100B1B
- 2021-2024 Audi Q5 Airbag Warning Light DTCs B100A1B, B100B1BB100A1B, B100B1B
- 2020-2023 Audi Common Issues: Coolant, Noise, Airbag DTCsB100A1B, B100B1B
What Audi Q5 owners report
Counted from the records in our database across 18 model years.
- 1,386
- Owner complaints
- 35
- Recalls
- 4,663
- Service bulletins
- 68
- Crashes reported
- 13
- Fires reported
- 63
- Injuries reported
The 2023 model year
50 complaints, the 11th most of 18 model years on file. Owners reported 7 crashes, 1 fire and 7 injuries for this year, which also has 6 recalls on file.
Air Bags, the system this article covers, accounts for 259 of 1,386 complaints (19%), including 4 for 2023.
Complaints by model year
| 2010 | 100 | |
|---|---|---|
| 2011 | 143 | |
| 2012 | 168 | |
| 2013 | 92 | |
| 2014 | 106 | |
| 2015 | 100 | |
| 2016 | 78 | |
| 2018 | 209 | |
| 2021 | 74 | |
| 2023 | 50 |
Most-reported systems
- Engine — 338
- Air Bags — 259
- Electrical System — 230
- Fuel/Propulsion System — 140
- Steering — 99
Latest recalls for the 2023 model year
- 25V294000 — Engine (May 2025)
- 25V080000 — Electrical System (Feb 2025)
- 24V898000 — Electrical System (Nov 2024)
Recent owner reports about air bags
While vehicle is in motion or parked driver side seat belt sign comes up followed by air bags on and off message. Seatbelt was fastened. Attached pictures are when vehicle is parked.
Read owner complaints →We have a leased 2023 Audi Q5 that has been to the Audi Service Department twice so far to determine the source of the problem with our SOS sensor, which turns on randomly and now stays on and won't turn off.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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