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2021 Audi TTS Problems: 3 Known Issues

2021 model year · 114+ owner reports · Updated September 2026

According to Au7o's analysis of 114+ owner reports, the 2021 Audi TTS has 3 documented known issues, with 3 rated critical. The most serious are Water Pump and Thermostat Housing Failure ($500-$1,300 repair), 2019-2023 TTS Clutch K1 Overheat and Transmission DTC Diagnosis - TSB 2060560/3 and 2012 / 2020-2023 TTS Coolant-Pump Update and Leak Diagnosis. The most commonly reported issue is Water Pump and Thermostat Housing Failure with 114 owner reports. Across all issues with published estimates, repair costs range from $500 to $1,300. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Audi TTS problems?

According to Au7o's analysis of 114+ owner reports, the 2021 Audi TTS has 3 documented issues. The most frequently reported are: Water Pump and Thermostat Housing Failure, 2019-2023 TTS Clutch K1 Overheat and Transmission DTC Diagnosis - TSB 2060560/3, 2012 / 2020-2023 TTS Coolant-Pump Update and Leak Diagnosis. Of these, 3 are rated critical and should be addressed promptly.

Is the Audi TTS reliable?

The 2021 Audi TTS has 3 known issues documented across 114+ owner reports. 3 issues are rated critical: Water Pump and Thermostat Housing Failure and 2019-2023 TTS Clutch K1 Overheat and Transmission DTC Diagnosis - TSB 2060560/3 and 2012 / 2020-2023 TTS Coolant-Pump Update and Leak Diagnosis. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Audi TTS problems?

Repair costs for known Audi TTS issues range from $500 to $1,300, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Water Pump and Thermostat Housing Failure, typically costs $500-$1,300 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2009-2024 Audi TTS Water Pump and Thermostat Housing Failure?

The TTS shares the EA888 cooling system weakness with the TT but the higher power output generates more heat. Water pump impeller and thermostat housing plastic degrade faster under thermal stress. Repairs typically run $500-$1,300. Severity: high.

What is the 2019-2023 Audi TTS 2019-2023 TTS Clutch K1 Overheat and Transmission DTC Diagnosis - TSB 2060560/3?

Audi TSB 2060560/3 applies to 2019-2023 TTS vehicles when clutch slip while pulling away, a gearbox malfunction message or shudder during a shift to an odd-numbered gear can be reproduced. The bulletin requires relevant clutch or gear-change entries in transmission control module… Severity: high.

What is the 2012-2023 Audi TTS 2012 / 2020-2023 TTS Coolant-Pump Update and Leak Diagnosis?

Audi documented two separate TTS coolant-pump paths. Update 19J2 applied only to a small VIN/action-screen-gated group of 2012 TTS vehicles whose coolant-pump drive sprocket could loosen, reduce pump delivery and raise coolant temperature. Audi TSB 2071515/1 applies to 2020-2023… Severity: high.

2021 Audi TTS Problems: 3 Known Issues

All 3 Known Issues

2009-2024 Audi TTS: Water Pump and Thermostat Housing Failure#

Common Symptoms

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2012-2023 Audi TTS: 2012 / 2020-2023 TTS Coolant-Pump Update and Leak Diagnosis#

Common Symptoms

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2019-2023 Audi TTS: 2019-2023 TTS Clutch K1 Overheat and Transmission DTC Diagnosis - TSB 2060560/3#

Common Symptoms

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Frequently Asked Questions

What are the most common Audi TTS problems?

Is the Audi TTS reliable?

How much does it cost to fix common Audi TTS problems?

What is the 2009-2024 Audi TTS Water Pump and Thermostat Housing Failure?

What is the 2019-2023 Audi TTS 2019-2023 TTS Clutch K1 Overheat and Transmission DTC Diagnosis - TSB 2060560/3?

What is the 2012-2023 Audi TTS 2012 / 2020-2023 TTS Coolant-Pump Update and Leak Diagnosis?