2021-2022 Audi Q5/SQ5 Airbag Light DTCs B101704, B103604

Symptoms

Owners of 2021-2022 Audi Q5 and SQ5 vehicles may notice an illuminated airbag warning light on their dashboard. This issue, often associated with the Audi Q5 airbag light B101704 or B103604, affects the vehicle's safety system. The warning light indicates a potential malfunction that requires immediate attention.

Fault Codes / DTCs

This issue is specifically linked to the presence of one or both of the following Diagnostic Trouble Codes (DTCs) stored in the vehicle's airbag control module:

• B101704
• B103604

These codes are typically found within the airbag control module, identified as J234 (da0015).

Important Warnings for Technicians and Owners

Audi has issued specific instructions that must be followed when diagnosing this condition. These warnings are critical to ensure proper diagnosis and prevent further complications:

• "Do NOT perform GFF or test plans for these DTCs."
• "Do NOT erase the fault memory."
• "Exit ODIS without erasing the fault memory (e.g. by clicking on the stop button located in the 'Data' drop-down menu on the right column)"

These instructions highlight the sensitive nature of airbag system diagnostics and the need for specialized procedures.

Diagnosis / Trigger Conditions

The primary trigger for this issue is the storage of DTC B101704 and/or B103604 within the airbag control module J234 (da0015). When these codes are present, the airbag warning light will illuminate, signaling a fault. Technicians are advised to confirm the presence of these specific codes before proceeding.

Repair Procedure Summary

For vehicles exhibiting an airbag warning light with DTCs B101704 and/or B103604, technicians are instructed to contact Audi Technical Assistance (TAC). This contact is a mandatory step for repair authorization. Dealerships must complete a specific questionnaire, which is attached to TSB 2073566, titled "69 Repair Authorization - Airbag warning lamp on, DTCs B101704, B103604".

After filling out the questionnaire, a TAC web ticket must be created. This ticket should include the diagnostic log from the vehicle and the completed questionnaire for review by Audi. It is essential to ensure that the latest version of the worksheet, available on Elsa2Go, is used and that all requested information is provided upfront when submitting the web ticket.

Owner Action

If you experience an airbag warning light on your 2021-2022 Audi Q5 or SQ5, especially if accompanied by DTC B101704 or B103604, you should take your vehicle to an authorized Audi dealership for diagnosis. This is critical for addressing the Audi Q5 airbag light B101704 issue. Do not attempt to clear the codes or perform diagnostic tests yourself, as per Audi's instructions to technicians. The dealership will follow the specific procedures outlined in TSB 2073566 to properly diagnose and resolve the issue, ensuring the safety system functions correctly.

Source: NHTSA ID 11002304