Service bulletins for the 2020 Audi TT
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.
675 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| A9120112037809_7 | 2020-10-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin contains instructions about updating the navigation map. |
|---|---|
| A9020652032113_4 | 2020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This information bulletin contains a background on the outside air temperature reading. |
| A3020292060560_1 | 2020-09-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS. This bulletin contains instructions for when the clutch is slipping, there is a gearbox malfunction message, and the vehicle shudders on odd number digits (several DTCs could be stored as well). |
| A0120832060429_1 | 2020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM. |
| A9120962060264_2 | 2020-09-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. This bulletin contains a software update that corrects an issue with the FPK going blank while using Apple Carplay or Android Auto. |
| A9120922053916_2 | 2020-09-03. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin contains instructions for when a non-plus sized iPhone heats up while wirelessly charging and the CarPlay screen may appear frozen. |
| A9120942045106_6 | 2020-09-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin provides instructions on how to properly replace a coaxial connection if it is damaged. |
| 2010-2021EngOil | 2020-09-03. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New document |
| Audi Part Labels | 2020-09-03. Service bulletin. EQUIPMENT. Recall Reminder Part Labels |
| A9120902060346_1 | 2020-09-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for creating a PSS record when the satellite map setting is lost. |
| A6620662060333_1 | 2020-09-03. Service bulletin. STRUCTURE. This bulletin contains instructions for when the black optic trim is discolored. |
| A9120882060264_1 | 2020-08-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains a software update that corrects an issue with the FPK going blank while using Apple Carplay or Android Auto. |
| A4020132059474_2 | 2020-08-06. Service bulletin. SUSPENSION:FRONT:SHOCK ABSORBER; EQUIPMENT. This bulletin contains instructions for correcting buffer stop noise (rumbling or squeaking from the front end). |
| A9120852046489_4 | 2020-08-06. Service bulletin. EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:DOOR; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. This bulletin contains information on how to diagnose if the speakers have a hardware restriction that causes them to sound like they have been blown. |
| A3720992060148_1 | 2020-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. This informational bulletin states to not replace parts for the beveling groove as it is normal. |
| A1720062028440_5 | 2020-08-06. 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. |
| A1920042025303_1 | 2020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants. |
| A4020102044060_5 | 2020-07-07. Service bulletin. SUSPENSION. This technical service bulletin asks the reader to check for improperly installed or deformed front shock bellows and to replace if necessary. |
| A9120782057052_3 | 2020-07-07. 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_4 | 2020-07-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for determining unexpected Audi pre sense interventions. |
| A912076204250610 | 2020-07-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. 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. |
| A9120722037809_6 | 2020-07-07. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin contains instructions about updating the navigation map. |
| A0020382039206_3 | 2020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin contains instructions on how to use the QR code in a TSB. |
| A9120702044694_2 | 2020-06-04. Service bulletin. EQUIPMENT. This technical service bulletin provides troubleshooting for issues with the navigation map database. |
| A9120652036576_6 | 2020-06-04. Service bulletin. EQUIPMENT. This informational bulletin contains instructions for when a phone is connected to the vehicle via Bluetooth, one of the following conditions occurs when the user searches for a contact name in the MMI address book (by using the MMI control knob or the voice recognition system): *The MMI screen goes blank then restarts. *The MMI screen freezes for a few minutes then recovers. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.