Audi Q4 Service Bulletins

972 manufacturer communications on file.

• January 14, 2026•Document ID: 11028402

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2072873_6

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the volume control is not working; MIB3; U11B900.

  Associated Products (21)

  2025 Audi e-tron GT2025 Audi Q42025 Audi RS e-tron GT2024 Audi A32024 Audi e-tron GT2024 Audi Q42024 Audi RS 32024 Audi RS e-tron GT2024 Audi S32023 Audi A32023 Audi e-tron GT2023 Audi Q42023 Audi RS 32023 Audi RS e-tron GT2023 Audi S32022 Audi A32022 Audi e-tron GT2022 Audi Q42022 Audi RS 32022 Audi RS e-tron GT+ 1 more
  Associated Documents

  • DownloadMC-11028402-0001.pdf↗
• January 14, 2026•Document ID: 11028401

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2069416_2

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information for when the 12V socket and/or the cigarette lighter are not working.

  Associated Products (262)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 242 more
  Associated Documents

  • DownloadMC-11028401-0001.pdf↗
• January 14, 2026•Document ID: 11028398

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  TSB_2060750_5

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information regarding UV leak additive for finding oil leaks.

  Associated Products (400)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 380 more
  Associated Documents

  • DownloadMC-11028398-0001.pdf↗
• January 13, 2026•Document ID: 11028418

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2080398_1

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides a combined software update for Q4; 5.4.3.

  Associated Products (3)

  2026 Audi Q42025 Audi Q42024 Audi Q4
  Associated Documents

  • DownloadMC-11028418-0001.pdf↗
• January 13, 2026•Document ID: 11028415

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2079520_3

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides basic information on damaged high-voltage batteries.

  Associated Products (44)

  2026 Audi Q42026 Audi RS e-tron GT2026 Audi S e-tron GT2025 Audi A62025 Audi e-tron GT2025 Audi Q42025 Audi Q5 e2025 Audi Q62025 Audi Q82025 Audi RS e-tron GT2025 Audi S62025 Audi SQ62025 Audi SQ82024 Audi e-tron GT2024 Audi Q42024 Audi Q5 e2024 Audi Q82024 Audi RS e-tron GT2024 Audi SQ82023 Audi e-tron+ 24 more
  Associated Documents

  • DownloadMC-11028415-0001.pdf↗
• January 13, 2026•Document ID: 11028405

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  TSB_2074846_4

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information about vibrations and rotational steering vibrations.

  Associated Products (400)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 380 more
  Associated Documents

  • DownloadMC-11028405-0001.pdf↗
• January 13, 2026•Document ID: 11028400

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2067544_6

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin advises that the cell module label must be documented when replacing the HV modules.

  Associated Products (46)

  2027 Audi A62027 Audi Q62027 Audi S62027 Audi SQ62026 Audi Q42026 Audi RS e-tron GT2026 Audi S e-tron GT2025 Audi A62025 Audi e-tron GT2025 Audi Q42025 Audi Q5 e2025 Audi Q62025 Audi RS e-tron GT2025 Audi S62025 Audi SQ62024 Audi e-tron GT2024 Audi Q42024 Audi Q5 e2024 Audi Q82024 Audi RS e-tron GT+ 26 more
  Associated Documents

  • DownloadMC-11028400-0001.pdf↗
• January 5, 2026•Document ID: 11028419

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2080536_1

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the warning lamp for electric drive system lights up/event memory entry P0AA500 in diagnostic address 008C.

  Associated Products (3)

  2026 Audi Q42025 Audi Q42024 Audi Q4
  Associated Documents

  • DownloadMC-11028419-0001.pdf↗
• January 5, 2026•Document ID: 11028412

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2078134_3

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the electric drive system warning lamp lights up; D TC P0BBD00 in 008C.

  Associated Products (3)

  2024 Audi Q42023 Audi Q42022 Audi Q4
  Associated Documents

  • DownloadMC-11028412-0001.pdf↗
• January 5, 2026•Document ID: 11028403

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2073560_7

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the vehicle/HV battery does not charge; drive system unavailable; DTC P1A0800, P1A0F00, P1A1600.

  Associated Products (2)

  2025 Audi Q42024 Audi Q4
  Associated Documents

  • DownloadMC-11028403-0001.pdf↗
• January 5, 2026•Document ID: 11028397

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2056019_5

  Date Added:

  February 6, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate.

  Associated Products (387)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 367 more
  Associated Documents

  • DownloadMC-11028397-0001.pdf↗
• December 19, 2025•Document ID: 11027442

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2080521_1

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the remote control key does not work; the LD in the key does not flashw hena button on the key is pressed.

  Associated Products (20)

  2026 Audi A32026 Audi Q42026 Audi RS 32026 Audi S32025 Audi A32025 Audi Q42025 Audi RS 32025 Audi S32024 Audi A32024 Audi Q42024 Audi RS 32024 Audi S32023 Audi A32023 Audi Q42023 Audi RS 32023 Audi S32022 Audi A32022 Audi Q42022 Audi RS 32022 Audi S3
  Associated Documents

  • DownloadMC-11027442-0001.pdf↗
• December 19, 2025•Document ID: 11027441

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2080517_1

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides informaiotn when the starter battery is discharged or defective.

  Associated Products (324)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 304 more
  Associated Documents

  • DownloadMC-11027441-0001.pdf↗
• December 19, 2025•Document ID: 11027438

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2061669_3

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides service infrmation for workshop mode with Audi connect vehicles.

  Associated Products (343)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 323 more
  Associated Documents

  • DownloadMC-11027438-0001.pdf↗
• December 19, 2025•Document ID: 11027436

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2077148_2

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides informaotin when the home address, work address, and favorites are deleted invehicles with MIB3.

  Associated Products (217)

  2026 Audi A32026 Audi A52026 Audi A62026 Audi A6 allroad2026 Audi A82026 Audi Q42026 Audi Q52026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S52026 Audi S82026 Audi S e-tron GT2026 Audi SQ52026 Audi SQ7+ 197 more
  Associated Documents

  • DownloadMC-11027436-0001.pdf↗
• December 19, 2025•Document ID: 11027372

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2077443_2

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides informatin when the convenience opening does not work.

  Associated Products (158)

  2026 Audi A32026 Audi Q52026 Audi RS 32026 Audi S32026 Audi SQ52025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A52025 Audi A62025 Audi A6 allroad2025 Audi A72025 Audi A82025 Audi Q42025 Audi Q52025 Audi Q5 e2025 Audi Q62025 Audi Q72025 Audi Q82025 Audi RS 3+ 138 more
  Associated Documents

  • DownloadMC-11027372-0001.pdf↗
• December 16, 2025•Document ID: 11027373

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB_2021205_9

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.

  Associated Products (386)

  2027 Audi A62027 Audi Q62027 Audi S62027 Audi SQ62026 Audi A32026 Audi A62026 Audi A82026 Audi Q42026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S82026 Audi S e-tron GT2026 Audi SQ72026 Audi SQ8+ 366 more
  Associated Documents

  • DownloadMC-11027373-0001.pdf↗
• December 11, 2025•Document ID: 11027361

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2077780_3

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the charging target cannot be adjusted in the MMI.

  Associated Products (4)

  2025 Audi Q42024 Audi Q42023 Audi Q42022 Audi Q4
  Associated Documents

  • DownloadMC-11027361-0001.pdf↗
• December 11, 2025•Document ID: 11027368

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2079652_2

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the Emergency call LED in the roof module is not lit up green.

  Associated Products (297)

  2026 Audi A32026 Audi A6 allroad2026 Audi A82026 Audi e-tron GT2026 Audi Q42026 Audi Q72026 Audi Q82026 Audi RS 32026 Audi RS 6 Avant2026 Audi RS 72026 Audi RS e-tron GT2026 Audi RS Q82026 Audi S32026 Audi S82026 Audi SQ72026 Audi SQ82025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A5+ 277 more
  Associated Documents

  • DownloadMC-11027368-0001.pdf↗
• December 11, 2025•Document ID: 11027358

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  TSB_2074808_3

  Date Added:

  January 7, 2026

  Manufacturer:

  AUDI

  Summary

  This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.

  Associated Products (308)

  2024 Audi A32024 Audi A42024 Audi A4 allroad2024 Audi A52024 Audi A62024 Audi A6 allroad2024 Audi A72024 Audi A82024 Audi e-tron GT2024 Audi Q32024 Audi Q42024 Audi Q52024 Audi Q5 e2024 Audi Q72024 Audi Q82024 Audi RS 32024 Audi RS 52024 Audi RS 6 Avant2024 Audi RS 72024 Audi RS e-tron GT+ 288 more
  Associated Documents

  • DownloadMC-11027358-0001.pdf↗