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Service bulletins for the 2020 Audi Q5

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.

1040 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A1521392053278_82021-07-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A1021222018288_92021-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This technical service bulletin reminds the reader to check for metal debris when replacing an engine.
AWA-17-122021-05-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. For Audi 3.0 L TDI Generation 2.1 SUV vehicles repaired by the emissions modification recall, the following warranty extension is applicable. ?Extended Emissions Warranty? Limited Warranty Extension The Limited Warranty Extension is applicable to 3.0L TDI vehicles Generation 2.1 SUV with engine code CNRB.
Dealer 24GU2021-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the check engine light (MIL) due to an error identified with Rear O2 Sensor monitoring.
Bulletin 24GU2021-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the check engine light (MIL) due to an error identified with Rear O2 Sensor monitoring.
A1521382053278_72021-05-06. Service bulletin. ENGINE. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A1321132062387_12021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for determining if a repair is needed when coolant touches a poly V-belt and/or a toothed belt.
A1921122061918_22021-04-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
A1521372053278_62021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A1921112061918_12021-02-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides guidance on diagnosing a coolant light concern with normal coolant level in the tank.
A1521362053278_52021-02-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A0121962060429_22021-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for when there may be a noise from the exhaust flap or there are DTCs sporadically stored in the ECM.
A5520512014055_82021-01-08. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions for addressing discoloration due to moisture on a new vehicle.
A1320122060662_22021-01-08. Service bulletin. ENGINE. This bulletin contains repair instructions for when there is a knocking or rattling noise in the engine compartment.
A9120392061490_12020-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin covers Audi connect: oil level in the myAudi app is implausible
A3920372059759_22020-12-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This bulletin contains instructions for an oil leak in the bevel box.
A0120942058976_42020-12-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin contains repair instructions for when the vehicle feels like it is hesitating, low on power, or bucking/jerking while driving.
A1720112060750_12020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A1520352053278_42020-11-05. Service bulletin. ENGINE; STRUCTURE:BODY. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A0020422045316_52020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE. This bulletin contains information for diagnosing the Start/Stop system.
Dealer 80C92020-10-06. Service bulletin. ENGINE AND ENGINE COOLING. Affected vehicles software configuration for monitoring a functional temperature sensor and coolant switching valve was based on known good and 'bad' temperature differentials. The 'bad' temperature differentials did not take into account certain normal variables. This condition could lead to a MIL with the following erroneous faults stored in the thermal management control module (00C5): P0C4300: Hybrid/EV Battery Pack Coolant Temperature Sensor "A" Circuit Range/Performance P0CE100: Hybrid/EV Battery Pack Coolant Control Valve "A" Stuck On
Bulletin 80C92020-10-06. Service bulletin. ENGINE AND ENGINE COOLING. Affected vehicles software configuration for monitoring a functional temperature sensor and coolant switching valve was based on known good and 'bad' temperature differentials. The 'bad' temperature differentials did not take into account certain normal variables. This condition could lead to a MIL with the following erroneous faults stored in the thermal management control module (00C5): P0C4300: Hybrid/EV Battery Pack Coolant Temperature Sensor "A" Circuit Range/Performance P0CE100: Hybrid/EV Battery Pack Coolant Control Valve "A" Stuck On
A9020682059891_22020-10-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This informational bulletin directs you to read the SSP and not perform any repairs for the concern.
A1320082060662_12020-10-06. Service bulletin. ENGINE. This bulletin contains repair instructions for when there is a knocking or rattling noise in the engine compartment.

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