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Service bulletins for the 2020 Audi A6

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1382 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
A9320312060233_12020-08-10. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains repair instructions for when the HV battery charging does not work when the timer is used. Create a PSS record if the conditions are met.
A9020592058750_22020-08-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update that address a permanent chime after a cancelled emergency assist event.
A9020582055906_22020-08-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains PSS instructions for when the Audi Adaptive light, pre sense malfunction, and the Adaptive Cruise Assist does not work.
A9020562059971_12020-08-06. Service bulletin. ELECTRICAL SYSTEM:ADAS:HUD:SOFTWARE; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA. This bulletin contains instructions for fixing a calibration issue with the front camera.
A7220252060085_12020-08-06. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM. This bulletin contains a software update that addresses the sporadic issue where the front seats move into an implausible position.
A1720062028440_52020-08-06. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT. This informational bulletin explains when the range display is empty in the on-board computer.
Bulletin91X4REV12020-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The infotainment system privacy setting 'Allow data transmission' may, in unfavorable circumstances, change without user intervention. As a result, the vehicle sends data although this function was previously deactivated manually. Added claiming instructions in the event the update has to be performed using the Red Engineering Menu (REM). Updated work instructions. Removed A8 models from applicable vehicles.
A9020532059889_12020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for creating a PSS when DTC C12B3FB or B200FF3 appears with an Audi Adaptive light or Adaptive Driver Assistant malfunction displayed in the instrument cluster.
A9620532059201_32020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messaegs appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9120782057052_32020-07-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
A9020512058077_42020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for determining unexpected Audi pre sense interventions.
A0020382039206_32020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin contains instructions on how to use the QR code in a TSB.
Dealer 91X42020-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. The infotainment system privacy setting 'Allow data transmission' may, in unfavorable circumstances, change without user intervention. As a result, the vehicle sends data although this function was previously deactivated manually.
Bulletin 91X42020-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. The infotainment system privacy setting 'Allow data transmission' may, in unfavorable circumstances, change without user intervention. As a result, the vehicle sends data although this function was previously deactivated manually.
TT 91 18 062020-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Apple car play function.
A9620512059201_22020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messaegs appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A9020452059335_12020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information on noises from the instrument cluster installation area.
A9020442032113_32020-05-07. Service bulletin. ELECTRICAL SYSTEM. This information bulletin contains a background on the outside air temperature reading.
20A6S6TECREP4202020-05-07. Service bulletin. ELECTRICAL SYSTEM. Audi connect Section: Moved to end of document. Post-Road Test Section: ADDED Steps: - Verify SOS button is green and Roadside assistance button LED will remain off - It may take up to 20 minutes for the emergency call system to activate (LED turns green) after flight/transport mode deactivation - The vehicle must not be delivered to the customer if the emergency call function has not been successfully activated (LED lights up in green)
A9620492059201_12020-05-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information for when the messaegs appear in the instrument cluster about the high beam assist and/or traffic sign detection with DTC C12B3FD.
A3420462058928_12020-04-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). This bulletin contains instructions for recalibrating the gear sensor when the 'P' displays begin to flicker on the selector display and in the instrument cluster display.
A9120502058769_12020-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for checking the sensors and resolving DTCs B107BF0 and B10FCF0.
A9120442056086_22020-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for when the touch functionality of the lower display is partially or fully inoperable when haptic feedback is enabled with DTC B1298FC.
A9120432058646_22020-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update for DTC B182700 or DTC C1198F8, C1199F9, C123AF8, and C11A4F8.
A9020422058750_12020-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains a software update that address a permanent chime after a cancelled emergency assist event.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.