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Service bulletins for the 2020 Audi A8

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.

1291 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

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

Bulletins, newest first
A4324852059363_52024-05-06. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM. This bulletin provides information when there is an air suspension malfunction warning in the cluster; DTC C1260F0n or U112100 is stored in the suspension control module.
Dealer 93R32024-04-05. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE. Audi is providing an updated 220V/240V charging unit cable and a compact/portable charging system software update for vehicles included in this service action.
Circular 93R32024-04-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY. Audi is providing an updated 220V/240V charging unit cable and a compact/portable charging system software update for vehicles included in this service action.
A2724692058831132024-04-05. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM); UNKNOWN OR OTHER. This bulletin provides information for when there is a vehicle electrical system warning stored in the ECM, DTC U046900.
A2724702066205_22024-04-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when there are multiple warnings, and DTC P0ADB00 is stored in the battery management 2 control module.
A2724682073284_12024-04-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This bulletin provides information when there is a 48V MHEV electrical system fault with DTC U04690.
A1924552061918_62024-04-04. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; UNKNOWN OR OTHER. This bulletin provides information when the low coolant light is on but the coolant level is within specifications.
A9124702062466_42024-03-06. Service bulletin. EQUIPMENT; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information when Apple CarPlay cannot be started using Wi-Fi connection (Wireless CarPlay).
A1924482065040_32024-02-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT. This bulletin provides information for instances when the coolant warning light is on or the coolant pump has been replaced due to a coolant leak.
A9024702072620_12024-02-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the Audi presesnse malfunctions or the driver assist systems are inoperable and DTC C12D5FA is stored.
A9024692072619_12024-02-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the Presense has a malfunction or if driver assist systems are sporadically inoperative; DTC B200FD9 is stored in the driver assist module.
A9024682072617_12024-02-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for parking aid inop, DTC B107A16 stored in the driver assistance system with symptom code 233474
A2723642058831112024-01-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE. This bulletin provides information for when there is a 48V vehicle electrical system warning; DTC U046900 is stored in the ECM.
A9123062024323102024-01-04. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE. This bulletin provides information when the parking assistance provides false warnings.
A0023822047812_72024-01-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
A2723632058831102024-01-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when there is a 48V vehicle electrical system warning; DTC U046900 is stored in the ECM.
A4523362072304_12024-01-04. Service bulletin. UNKNOWN OR OTHER; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; ELECTRICAL SYSTEM:ADAS:HILL DESCENT ASSIST:SENSOR. This bulletin provides information for when the ABS/ESC speed sensor has an implausible signal.
A9123512065728_62023-12-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. This bulletin provides information when the MMI screen is blank in MIB3 with Apple CarPlay.
A9123472072008_12023-12-06. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This bulletin provides information for when the message "Electrical system: fault" is in the instrument cluster - event memory B200094 (00C4).
A9123462064681_42023-12-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information for when the wireless charging does not work.
A9023562032113_82023-12-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides general information about the outside air temperature reading.
A2723622069747_52023-12-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information on document requirements before replacement of the vehicle 12 V battery when it is is drained.
A2723612067906_42023-11-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This bulletin provides information for when DTC P0A7D00 is stored.
A0123872071318_32023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin provides information for when the MIL is on, there is a whistling noise, leaking air Bank 2 - DTC P2ADF00, Engine Crankcase breather.
A0123812028842_42023-11-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides instructions regarding unauthorized chip tuning (TD1).

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