Audi A4 Service Bulletins (2020)

1,073 manufacturer communications on file.

• September 10, 2025•Document ID: 11023744

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2065234_2

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when there is a tail light warning and variois DTCs are stored in the comfort module; B16D431, B16D631, B16D531, and/or B16D731.

  Associated Products (6)

  2021 Audi A42021 Audi A4 allroad2021 Audi S42020 Audi A42020 Audi A4 allroad2020 Audi S4
  Associated Documents

  • DownloadMC-11023744-0001.pdf↗
• September 10, 2025•Document ID: 11023740

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  TSB_2062633_4

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when there is cracking/creaking noises during load changes or severe vehicle body torsion.

  Associated Products (58)

  2025 Audi Q52025 Audi Q5 e2025 Audi SQ52024 Audi A42024 Audi A4 allroad2024 Audi A52024 Audi Q52024 Audi Q5 e2024 Audi RS 52024 Audi S42024 Audi S52024 Audi SQ52023 Audi A42023 Audi A4 allroad2023 Audi A52023 Audi Q52023 Audi Q5 e2023 Audi RS 52023 Audi S42023 Audi S5+ 38 more
  Associated Documents

  • DownloadMC-11023740-0001.pdf↗
• September 10, 2025•Document ID: 11023734

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  TSB_2041717_14

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  This bujlletin provides information regarding the GFF test plan required for A/C compressor replacements regardless of the concern.

  Associated Products (394)

  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 S e-tron GT2026 Audi SQ72026 Audi SQ82025 Audi A32025 Audi A42025 Audi A4 allroad+ 374 more
  Associated Documents

  • DownloadMC-11023734-0001.pdf↗
• September 9, 2025•Document ID: 11023800

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2079214_1

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides workshop information for fault findinga nd repair for the electric tailgate.

  Associated Products (188)

  2026 Audi A32026 Audi RS 32026 Audi S32026 Audi S e-tron GT2025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A52025 Audi A62025 Audi A6 allroad2025 Audi A82025 Audi e-tron GT2025 Audi Q32025 Audi Q42025 Audi Q52025 Audi Q5 e2025 Audi Q62025 Audi Q72025 Audi Q82025 Audi RS 3+ 168 more
  Associated Documents

  • DownloadMC-11023800-0001.pdf↗
• September 8, 2025•Document ID: 11023771

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB_2076404_5

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides a deployment overview for customer service packages MLB and MQB for MIB3/connectivity box/OCU3/LSR.

  Associated Products (96)

  2024 Audi Q32023 Audi A32023 Audi A42023 Audi A4 allroad2023 Audi A52023 Audi A62023 Audi A6 allroad2023 Audi A72023 Audi A82023 Audi e-tron2023 Audi e-tron GT2023 Audi e-tron Sportback2023 Audi Q32023 Audi Q52023 Audi Q5 e2023 Audi Q72023 Audi Q82023 Audi RS 32023 Audi RS 52023 Audi RS 6 Avant+ 76 more
  Associated Documents

  • DownloadMC-11023771-0001.pdf↗
• September 5, 2025•Document ID: 11023736

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  TSB_2058875_2

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides informaiton when there is an oil leak at the transmission connector.

  Associated Products (23)

  2020 Audi A42020 Audi A4 allroad2020 Audi A52020 Audi A62020 Audi A6 allroad2020 Audi A72020 Audi Q52020 Audi Q5 e2019 Audi A42019 Audi A4 allroad2019 Audi A52019 Audi A62019 Audi A72019 Audi Q52018 Audi A42018 Audi A4 allroad2018 Audi A52018 Audi A62018 Audi Q52017 Audi A4+ 3 more
  Associated Documents

  • DownloadMC-11023736-0001.pdf↗
• September 5, 2025•Document ID: 11023732

  Other
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Closures 20250905

  Date Added:

  October 3, 2025

  Manufacturer:

  AUDI

  Summary

  September campaign closures

  Associated Products (21)

  2021 Audi e-tron2021 Audi e-tron Sportback2020 Audi A42020 Audi A4 allroad2020 Audi A52020 Audi A62020 Audi A6 allroad2020 Audi A72020 Audi e-tron Sportback2020 Audi Q52020 Audi Q72020 Audi Q82020 Audi RS Q82020 Audi S42020 Audi S52019 Audi A62019 Audi A72019 Audi e-tron2019 Audi Q82019 Audi S4+ 1 more
  Associated Documents

  • DownloadMC-11023732-0001.pdf↗
• August 29, 2025•Document ID: 11022715

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB_2079118_1

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides tips for improving the robustness of the Bluetooth and CarPlay connection.

  Associated Products (296)

  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 S e-tron GT2026 Audi SQ72026 Audi SQ82025 Audi A32025 Audi A42025 Audi A4 allroad+ 276 more
  Associated Documents

  • DownloadMC-11022715-0001.pdf↗
• August 29, 2025•Document ID: 11022710

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  TSB_2073747_3

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information for when there are scratches or a coating on the cover of the instrument cluster, or there are particles or insects inside of the housing.

  Associated Products (318)

  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 S e-tron GT2026 Audi SQ72026 Audi SQ82025 Audi A32025 Audi A42025 Audi A4 allroad+ 298 more
  Associated Documents

  • DownloadMC-11022710-0001.pdf↗
• August 28, 2025•Document ID: 11022704

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  TSB_2042920_3

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when there is corrosion on the tailpipes.

  Associated Products (394)

  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 S e-tron GT2026 Audi SQ72026 Audi SQ82025 Audi A32025 Audi A42025 Audi A4 allroad+ 374 more
  Associated Documents

  • DownloadMC-11022704-0001.pdf↗
• August 26, 2025•Document ID: 11022698

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2061976_4

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information for wire harness repairs and documentation.

  Associated Products (296)

  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 S e-tron GT2026 Audi SQ72026 Audi SQ82025 Audi A32025 Audi A42025 Audi A4 allroad+ 276 more
  Associated Documents

  • DownloadMC-11022698-0001.pdf↗
• August 19, 2025•Document ID: 11022664

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB_2070568_5

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool

  Associated Products (406)

  2026 Audi A32026 Audi A6 allroad2026 Audi A82026 Audi e-tron GT2026 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 SQ82025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A5+ 386 more
  Associated Documents

  • DownloadMC-11022664-0001.pdf↗
• August 15, 2025•Document ID: 11022661

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Dealer 91MM

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  Some customers have reported unexpected reboots of the infotainment system.

  Associated Products (5)

  2020 Audi A42020 Audi A4 allroad2020 Audi A52020 Audi S42020 Audi S5
  Associated Documents

  • DownloadMC-11022661-0001.pdf↗
• August 15, 2025•Document ID: 11022659

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  Circular 91MM

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  Some customers have reported unexpected reboots of the infotainment system.

  Associated Products (5)

  2020 Audi A42020 Audi A4 allroad2020 Audi A52020 Audi S42020 Audi S5
  Associated Documents

  • DownloadMC-11022659-0001.pdf↗
• August 15, 2025•Document ID: 11022669

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  TSB_2075681_5

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides informaoitn when there is droning noises/vibrations in tight corneres, in vehicles that have quattro with ultra technology.

  Associated Products (112)

  2025 Audi A42025 Audi A4 allroad2025 Audi A62025 Audi A6 allroad2025 Audi A72025 Audi Q52025 Audi Q5 e2025 Audi RS 6 Avant2025 Audi RS 72025 Audi S42025 Audi S62025 Audi S72025 Audi SQ52024 Audi A42024 Audi A4 allroad2024 Audi A52024 Audi A62024 Audi A6 allroad2024 Audi A72024 Audi Q5+ 92 more
  Associated Documents

  • DownloadMC-11022669-0001.pdf↗
• August 15, 2025•Document ID: 11022668

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB_2074436_2

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when the horn sound quality is poor.

  Associated Products (380)

  2026 Audi A32026 Audi A6 allroad2026 Audi A82026 Audi e-tron GT2026 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 SQ82025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A5+ 360 more
  Associated Documents

  • DownloadMC-11022668-0001.pdf↗
• August 2, 2025•Document ID: 11022634

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  TSB_2061028_8

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulletin provides information when there are no services in the MMI and the SOS LED does not turn green after PDI.

  Associated Products (195)

  2026 Audi S e-tron GT2025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A52025 Audi A62025 Audi A6 allroad2025 Audi A72025 Audi A82025 Audi e-tron GT2025 Audi Q32025 Audi Q42025 Audi Q52025 Audi Q5 e2025 Audi Q62025 Audi Q72025 Audi Q82025 Audi RS 52025 Audi RS 6 Avant2025 Audi RS 7+ 175 more
  Associated Documents

  • DownloadMC-11022634-0001.pdf↗
• August 1, 2025•Document ID: 11022645

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  TSB_2078652_1

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This TSB provides service information regarding noises from the sliding sunroof.

  Associated Products (231)

  2026 Audi A32026 Audi A6 allroad2026 Audi A82026 Audi e-tron GT2026 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 SQ82025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A5+ 211 more
  Associated Documents

  • DownloadMC-11022645-0001.pdf↗
• August 1, 2025•Document ID: 11022633

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  TSB_2060750_4

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This bulleitn provides information regarding UV Leak additive for finding oil leaks.

  Associated Products (378)

  2026 Audi S e-tron GT2025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A52025 Audi A62025 Audi A6 allroad2025 Audi A72025 Audi A82025 Audi e-tron GT2025 Audi Q32025 Audi Q42025 Audi Q52025 Audi Q5 e2025 Audi Q62025 Audi Q72025 Audi Q82025 Audi RS 52025 Audi RS 6 Avant2025 Audi RS 7+ 358 more
  Associated Documents

  • DownloadMC-11022633-0001.pdf↗
• August 1, 2025•Document ID: 11022630

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  AOS-25-47

  Date Added:

  September 4, 2025

  Manufacturer:

  AUDI

  Summary

  This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: The hotfix is to correct the issue: Issue seen: ODS5003E Infrastructure Guided Fault Finding: An internal fatal error occurred during the G929 - Vehicle Interior Carbon Dioxide Concentration Sensor function test plan. NOTE: This ODS error could show up on any other GFF function test plans as well.

  Associated Products (378)

  2026 Audi S e-tron GT2025 Audi A32025 Audi A42025 Audi A4 allroad2025 Audi A52025 Audi A62025 Audi A6 allroad2025 Audi A72025 Audi A82025 Audi e-tron GT2025 Audi Q32025 Audi Q42025 Audi Q52025 Audi Q5 e2025 Audi Q62025 Audi Q72025 Audi Q82025 Audi RS 52025 Audi RS 6 Avant2025 Audi RS 7+ 358 more
  Associated Documents

  • DownloadMC-11022630-0001.pdf↗