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Service bulletins for the 2021 Audi RS 5

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.

979 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
A1924492061918_52024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when the low coolant light is illuminated but the coolant level is within specifications.
A9023572072065_12023-12-06. Service bulletin. ENGINE. This bulletin provides information when there are flickering lines in Audi virtual cockpit.
A1923452070349_22023-12-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a loss of coolant from the coolant pump - V6 TFSI.
A3923562059057_62023-11-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there are vibrations or binding in tight turns with quattro Ultra.
A0023712070568_12023-10-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
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.
A1523442053278_92023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information for when there is an oil leak from the cylinder head.
AWA 23-062023-08-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This Document informs dealers on the new EVAP Purge Valve & Hose 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.
A1923392070349_12023-06-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is verified to have been leaking actively.
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.
A0123422066547_22023-03-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when rattling noises are heard from the engine compartment when the accelerator is pressed gently with the vehicle stationary.
A0123342054893_62023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions for when the message "Please reduce oil level" is reported.
A4722162055646_42022-09-01. Service bulletin. SERVICE BRAKES; ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for when the vehicle sporadically does not start and there is a hard brake pedal concern.
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.
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.
A0122182066547_12022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes a software update available in the event that rattling noises are heard in the engine with no DTCs stored.
A2622482058998_42022-04-05. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin contains repair instructions from the exhaust system at idle speed DTCs P047600, P048C00, P04A000, or P301B00 are stored in the ECM.
A1722172060750_32022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A0122172066257_12022-04-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin describes a software update to address various DTCs in the engine control module which have been stored without good reason.
A9222282065963_12022-03-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. This bulletin describes various conditions that may have arisen due to a leak in the corrugated windshield washer hose, and the associated repair.
A1922282025303132022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants.

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