Audi A4 Service Bulletins (2018)

773 manufacturer communications on file.

• July 21, 2020•Document ID: 10177877

  Service Bulletin/Repair Instructions
  POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS

  Mfr Comm. #:

  A3020272060101_2

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for DTCs P181C00, P181E00, and P181E00 with Start-Stop not working or a message appearing.

  Associated Products (3)

  2018 Audi A42018 Audi A52017 Audi A4
  Associated Documents

  • DownloadMC-10177877-0001.pdf↗
• July 20, 2020•Document ID: 10177884

  Service Bulletin/Repair Instructions
  SUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT

  Mfr Comm. #:

  A4020132059474_2

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end).

  Associated Products (101)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi RS 52021 Audi RS 6 Avant2021 Audi RS 72021 Audi RS Q82021 Audi S32021 Audi S42021 Audi S52021 Audi S62021 Audi S7+ 81 more
  Associated Documents

  • DownloadMC-10177884-0001.pdf↗
• July 15, 2020•Document ID: 10177403

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS

  Mfr Comm. #:

  A3020262060101_1

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for DTCs P181C00, P181E00, and P181E00 with Start-Stop not working or a message appearing.

  Associated Products (3)

  2018 Audi A42018 Audi A52017 Audi A4
  Associated Documents

  • DownloadMC-10177403-0001.pdf↗
• July 15, 2020•Document ID: 10177409

  Service Bulletin/Repair Instructions
  SUSPENSION:FRONT:WHEEL BEARING; STEERING

  Mfr Comm. #:

  A4020122047920_5

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.

  Associated Products (22)

  2021 Audi A42021 Audi A52021 Audi Q72020 Audi A42020 Audi A52020 Audi Q72019 Audi A42019 Audi A52019 Audi Q72018 Audi A42018 Audi A52018 Audi A62018 Audi A72018 Audi Q72017 Audi A42017 Audi A62017 Audi A72017 Audi Q72016 Audi A62016 Audi A7+ 2 more
  Associated Documents

  • DownloadMC-10177409-0001.pdf↗
• July 14, 2020•Document ID: 10177408

  Service Bulletin/Repair Instructions
  EQUIPMENT; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

  Mfr Comm. #:

  A3920342060169_1

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for when DTC U101300 is logged with sports differential warning lamps or messages.

  Associated Products (52)

  2020 Audi A42020 Audi A52020 Audi A62020 Audi A72020 Audi A82020 Audi allroad2020 Audi Q52020 Audi Q72020 Audi Q82020 Audi RS 52020 Audi RS 72020 Audi RS Q82020 Audi S42020 Audi S52020 Audi S62020 Audi S72020 Audi S82020 Audi SQ52020 Audi SQ72020 Audi SQ8+ 32 more
  Associated Documents

  • DownloadMC-10177408-0001.pdf↗
• July 14, 2020•Document ID: 10177401

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS

  Mfr Comm. #:

  A1020192059446_2

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains repair instructions for oil loss found in the engine compartment.

  Associated Products (44)

  2019 Audi A42019 Audi A52019 Audi A62019 Audi A72019 Audi A82019 Audi Q72019 Audi RS 52019 Audi S42019 Audi S52019 Audi S62019 Audi S72019 Audi S82018 Audi A42018 Audi A52018 Audi A62018 Audi A72018 Audi A82018 Audi Q52018 Audi Q72018 Audi RS 5+ 24 more
  Associated Documents

  • DownloadMC-10177401-0001.pdf↗
• July 8, 2020•Document ID: 10177300

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT

  Mfr Comm. #:

  A1720062028440_5

  Date Added:

  August 6, 2020

  Manufacturer:

  AUDI

  Summary

  This informational bulletin explains when the range display is empty in the on-board computer.

  Associated Products (315)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi allroad2021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi RS 42021 Audi RS 52021 Audi RS 6 Avant2021 Audi RS Q82021 Audi S32021 Audi S52021 Audi S62021 Audi S7+ 295 more
  Associated Documents

  • DownloadMC-10177300-0001.pdf↗
• June 29, 2020•Document ID: 10176848

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:IGNITION

  Mfr Comm. #:

  A9020542059891_1

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This informational bulletin directs you to read the SSP and not perform any repairs for the concern.

  Associated Products (17)

  2021 Audi A42021 Audi A52021 Audi Q52020 Audi A42020 Audi A52020 Audi Q52020 Audi Q72019 Audi A42019 Audi A52019 Audi Q52019 Audi Q72018 Audi A42018 Audi A52018 Audi Q52018 Audi Q72017 Audi A42017 Audi Q7
  Associated Documents

  • DownloadMC-10176848-0001.pdf↗
• June 25, 2020•Document ID: 10176853

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  A9120812052251_4

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains software update instructions for when the audio is distorted from door speakers or subwoofer.

  Associated Products (12)

  2019 Audi A42019 Audi A52019 Audi RS 52019 Audi S42019 Audi S52018 Audi A42018 Audi A52018 Audi RS 52018 Audi S42018 Audi S52017 Audi A42017 Audi S4
  Associated Documents

  • DownloadMC-10176853-0001.pdf↗
• June 25, 2020•Document ID: 10176873

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  A1920042025303_1

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for identifying and mixing factory fill coolants.

  Associated Products (282)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi RS 52021 Audi RS 72021 Audi RS Q82021 Audi S32021 Audi S42021 Audi S52021 Audi S62021 Audi S72021 Audi S8+ 262 more
  Associated Documents

  • DownloadMC-10176873-0001.pdf↗
• June 18, 2020•Document ID: 10176758

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  A9120782057052_3

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for when the MMI shows the message 'Read error occurred when accessing the navigation data' after initialization and reboots constantly with DTC B126CF0 and/or B126CF1.

  Associated Products (38)

  2020 Audi A32020 Audi A42020 Audi A52020 Audi A62020 Audi A72020 Audi Q52020 Audi Q72020 Audi R82020 Audi TT2019 Audi A32019 Audi A42019 Audi A52019 Audi A62019 Audi A72019 Audi Q52019 Audi Q72019 Audi R82019 Audi TT2018 Audi A32018 Audi A4+ 18 more
  Associated Documents

  • DownloadMC-10176758-0001.pdf↗
• June 17, 2020•Document ID: 10176687

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  A3920322051558_3

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains repair instructions for when the message "four-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.

  Associated Products (4)

  2018 Audi A42018 Audi A52018 Audi Q52017 Audi A4
  Associated Documents

  • DownloadMC-10176687-0001.pdf↗
• June 17, 2020•Document ID: 10176757

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  A9020522059863_1

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This informational bulletin contains instructions for when the message "Audi pre sense currently restricted. See owners manual" is displayed in the instrument cluster without DTCs.

  Associated Products (17)

  2021 Audi A42021 Audi A52021 Audi Q52020 Audi A42020 Audi A52020 Audi Q52020 Audi Q72019 Audi A42019 Audi A52019 Audi Q52019 Audi Q72018 Audi A42018 Audi A52018 Audi Q52018 Audi Q72017 Audi A42017 Audi Q7
  Associated Documents

  • DownloadMC-10176757-0001.pdf↗
• June 17, 2020•Document ID: 10176756

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  A9020512058077_4

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains instructions for determining unexpected Audi pre sense interventions.

  Associated Products (156)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi e-tron2021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi RS 52021 Audi S42021 Audi S52021 Audi S62021 Audi S72021 Audi S82021 Audi SQ52021 Audi TT+ 136 more
  Associated Documents

  • DownloadMC-10176756-0001.pdf↗
• June 9, 2020•Document ID: 10176408

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  A0020382039206_3

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This informational bulletin contains instructions on how to use the QR code in a TSB.

  Associated Products (283)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi e-tron2021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi RS 52021 Audi RS 72021 Audi S32021 Audi S42021 Audi S52021 Audi S62021 Audi S72021 Audi S8+ 263 more
  Associated Documents

  • DownloadMC-10176408-0001.pdf↗
• June 5, 2020•Document ID: 10176432

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  A912076204250610

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This technical service bulletin explains how to determine the status of activation keys (that affect the function of Audi drive select, cruise control, navigation, Bluetooth, smartphone interface and voice recognition), and how to update them.

  Associated Products (56)

  2020 Audi A32020 Audi Q52020 Audi R82020 Audi S32020 Audi TT2020 Audi TTS2019 Audi A32019 Audi A42019 Audi A52019 Audi Q52019 Audi Q72019 Audi R82019 Audi S32019 Audi S42019 Audi TT2019 Audi TTS2018 Audi A32018 Audi A42018 Audi A52018 Audi A6+ 36 more
  Associated Documents

  • DownloadMC-10176432-0001.pdf↗
• June 3, 2020•Document ID: 10176421

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  A9120722037809_6

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This informational bulletin contains instructions about updating the navigation map.

  Associated Products (68)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi e-tron2021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi SQ52021 Audi TT2021 Audi TTS2020 Audi A32020 Audi A42020 Audi A52020 Audi A62020 Audi A7+ 48 more
  Associated Documents

  • DownloadMC-10176421-0001.pdf↗
• June 1, 2020•Document ID: 10176416

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION

  Mfr Comm. #:

  A4320372059665_1

  Date Added:

  July 7, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains a software update that corrects the control module configuration and addresses a warning light.

  Associated Products (9)

  2021 Audi A42021 Audi A52020 Audi A42020 Audi A52019 Audi A42019 Audi A52018 Audi A42018 Audi A52017 Audi A4
  Associated Documents

  • DownloadMC-10176416-0001.pdf↗
• May 28, 2020•Document ID: 10176069

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  A9120702044694_2

  Date Added:

  June 4, 2020

  Manufacturer:

  AUDI

  Summary

  This technical service bulletin provides troubleshooting for issues with the navigation map database.

  Associated Products (289)

  2021 Audi A32021 Audi A42021 Audi A52021 Audi A62021 Audi A72021 Audi A82021 Audi allroad2021 Audi e-tron2021 Audi Q32021 Audi Q52021 Audi Q72021 Audi Q82021 Audi R82021 Audi RS 52021 Audi RS 6 Avant2021 Audi RS 72021 Audi S32021 Audi S42021 Audi S52021 Audi S6+ 269 more
  Associated Documents

  • DownloadMC-10176069-0001.pdf↗
• May 21, 2020•Document ID: 10176014

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  A9020482048517_3

  Date Added:

  June 4, 2020

  Manufacturer:

  AUDI

  Summary

  This bulletin contains a software update for when only the park aid lines are displayed.

  Associated Products (12)

  2020 Audi Q52019 Audi A42019 Audi A52019 Audi Q52019 Audi Q72018 Audi A42018 Audi A52018 Audi Q52018 Audi Q72017 Audi A42017 Audi A52017 Audi Q7
  Associated Documents

  • DownloadMC-10176014-0001.pdf↗