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Service bulletins for the 2021 Audi SQ7

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.

1145 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A4023672047920_72023-09-01. Service bulletin. ENGINE. This bulletin provides information when there are noises from the front end and dash panel when the vehicle is moving.
A1923402069248_32023-09-01. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the red coolant warning lamp or MIL illuminate with DTC P218100 and/or P1BB400.
A1523452065684_52023-09-01. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the engine is misfiring, and not running smoothly with various DTCs, indicating a possible broken valve spring.
A0123722071318_12023-09-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information for when the MIL is on and a whistling noise can be heard, DTC P2ADF00.
AWA 23-072023-08-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This Document informs dealers on the new Crankcase Breather warranty extension for certain MY 2019 - MY 2023 vehicles.
A0123592069351_32023-07-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). This bulletin provides information on when the engine crankcase breather has a whistling sound, and DTC P227900 is stored.
A1023262018288102023-07-10. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.
A9123942018187132023-06-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference.
A1523432065684_42023-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the proper the steps to identify and directs to repair steps to replace parts in the instance where a broken valve spring has been diagnosed.
A1923362025303142023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants.
A0123442069351_22023-03-06. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides instructions for when the exhaust warning light is ON and/or a whistling noise can be occasionally heard from the engine compartment; DTCs P227900 may be present.
A3923512060424_32023-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when there is an oil leak from the rear of the vehicle and is confirmed from the top of the differential near the output flanges. One or both of the sealing caps are missing from the pressure-limiting valves.
A0123432069351_12023-03-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides instructions for when the exhaust warning light is ON and/or a whistling noise can be occasionally heard from the engine compartment; DTCs P227900 may be present.
A8723382068460_22023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when the air conditioning system does not cool the cabin and DTCs P053000 or P251500.
A2023522065287_62023-02-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM.
A8722352068460_12022-12-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin advises of an improved sensor to address when the air conditioning system does not cool the cabin and DTCs P053000 and/or P251500 is present.
A1922302065040_22022-09-01. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin advises to ensure that full diagnosis is completed on supporting systems prior to replacing the coolant pump.
A8722302067716_12022-09-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin advises that techs should document the specific o-ring seal that is replaced if a refrigerant leak is found and caused by the o-ring seal.
A1522412065684_32022-06-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the proper the steps to identify and directs to repair steps to replace parts in the instance where a broken valve spring has been diagnosed.
A3922472064024_22022-05-05. Service bulletin. ENGINE. This bulletin contains repair instructions for when there is an oil leak from the rear of the vehicle and the sealing caps are missing from the pressure limiting valves.
A4822282063528_32022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for addressing intermediate shaft noises that are heard in the engine compartment.
A8722242064077_12022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This TSB describes a method for leak detection for R134A and R1234yf refrigerant platforms only.
A2022422065287_32022-05-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection.
A2722412058831_42022-04-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This bulletin contains a software update for DTC P0CA700 or U046900.
A1722172060750_32022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.

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