2022-2024 Audi Airbag Light DTCs B101704 B103604

Audi has released an "On-car analysis list" dated April 12, 2024, providing essential guidance for technicians addressing various customer concerns across its 2022-2024 model lineup. This document serves as a quick reference, outlining symptoms, associated fault codes, and initial steps before contacting the Audi Helpline. Among the critical issues addressed is the Audi airbag light B101704 and other related airbag system faults.

This communication emphasizes the importance of following specific diagnostic procedures and utilizing dedicated worksheets for each topic. Technicians are instructed to fill out these worksheets and attach them to the Technical Assistance Center (TAC) ticket. Worksheets are accessible via Elsa2Go>>Service References>> Search v4p.

Important Warnings for Owners and Technicians

Audi has issued several crucial warnings within this analysis list to ensure proper diagnosis and prevent unnecessary repairs:

• Contact Audi Helpline: "Please contact Audi Helpline before attempting repair" for any of the listed issues.
• Use Worksheets: "All topics have associated worksheets to be filled out and attached to the TAC ticket."
• Airbag System Diagnostics: For vehicles displaying an "Airbag light on" with DTCs B101704, B103604, B101C13, or B101D13, technicians are explicitly instructed: "Do not perform GFF test plan" and "Do not erase DTC." This is vital to preserve diagnostic data.

Common Symptoms and Affected Models

This analysis list covers a range of symptoms affecting various Audi models from 2017 to 2024:

• 2022-2024 Audi Q4 e-tron: Owners may experience a "Charging cable cannot be removed from the vehicle."
• 2021-2024 Audi Q3: The Malfunction Indicator Lamp (MIL) may illuminate due to "P008700 - Low fuel pressure."
• 2019-2024 Audi e-tron Q and SB, Q8 e-tron and SB: Vehicles might encounter a situation where the "Vehicle cannot be charged, charge socket lock without function."
• 2017-2019 Audi Q7, Q8: Concerns include "Corrosion on wheelhouse cover plate."
• 2022-2024 Audi Q5: Issues related to "Q5 G31 no com" (no communication to the G31 control unit) may arise.
• 2021-2024 Audi A6, A7, A8, e-tron, Q5, Q7, Q8 (all variants): An "Airbag light on" may be present, often accompanied by DTCs B101704 and B103604.
• 2024 Audi Q5, SQ5, Q5 SB, SQ5 SB: Specific "Q5 Airbag light" issues are noted, linked to DTCs B101C13 and B101D13.
• 2023-2024 Audi Q7, SQ7: Drivers might notice "Wind noise from front door while at highway speeds."

Associated Fault Codes (DTCs)

The following Diagnostic Trouble Codes (DTCs) are referenced in this Audi analysis list:

DTC Code	Description / Associated Issue
P008700	Low fuel pressure
U060B00	No communication to G31
B101704	Airbag light on
B103604	Airbag light on
B101C13	Q5 Airbag light
B101D13	Q5 Airbag light

Diagnosis and Technician Guidance

For each identified issue, Audi provides specific instructions for technicians to follow before contacting the Audi Helpline:

• Charging Cable Issues (Q4 e-tron, e-tron Q/SB, Q8 e-tron/SB): Technicians are directed to complete an e-tron charging questionnaire worksheet to gather detailed information.
• Low Fuel Pressure (P008700 - Q3): This requires filling out a dedicated worksheet and performing a delivery rate test to assess fuel system performance.
• Corrosion on Wheelhouse Cover Plate (Q7, Q8): Technicians must take various photos and conduct inspections as outlined in a specific worksheet.
• Q5 G31 No Communication (U060B00 - Q5): The guidance involves inspecting the harness routing and supplying photos of findings to the TAC case. Further details are available in a reference worksheet.
• Airbag Light On (DTCs B101704, B103604 - various models): For these critical airbag system faults, technicians are advised to consult TSB 2073566 and follow instructions provided in a specific worksheet. The explicit instruction to "Do not perform GFF test plan" and "Do not erase DTC" is crucial for preserving diagnostic data.
• Q5 Airbag Light (DTCs B101C13, B101D13): Similar to other airbag light issues, technicians must refer to a worksheet for instructions and avoid performing a GFF test plan or erasing the DTC.
• Front Door Wind Noise (Q7, SQ7): Technicians need to detail their findings to pinpoint the source of the noise, with additional guidance found in a dedicated worksheet.

Owner Action

If you own a 2022-2024 Audi and experience any of the symptoms or warning lights described, particularly an Audi airbag light B101704 or other airbag system warnings, it is important to contact your authorized Audi dealership promptly. Report the exact symptoms and any warning messages or fault codes you have observed. Do not attempt to clear any diagnostic trouble codes, especially for airbag system faults, as this could erase valuable diagnostic information needed by the technician.

Your dealership will be able to perform the necessary diagnostic procedures, including consulting the Audi On-car analysis list and associated worksheets, to accurately identify and resolve the issue.

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Source: NHTSA ID: 10254034