2021-2024 Audi A3, S3, TT, TTS Gearbox Malfunction TSB

Audi has released Technical Service Bulletin (TSB) 30 24 33 2060560/3, dated March 5, 2024, to address various transmission-related concerns in certain 2021-2024 Audi A3, S3, TT, and TTS models. This bulletin supersedes a previous TSB, number 23-32, issued on January 12, 2023, with revisions including additional model years.

This TSB specifically targets issues where the Transmission Control Module (TCM), identified as J217, stores various Diagnostic Trouble Codes (DTCs) related to clutch and gear changing. It also covers running problems associated with a high maximum temperature recorded for Clutch K1.

Symptoms

Owners of affected vehicles may experience one or more of the following symptoms, which point to a potential Audi A3 S3 TT TTS gearbox malfunction:

• Clutch slip: The vehicle's clutch may slip when accelerating from a stop.
• Gearbox malfunction message: A warning message indicating a gearbox malfunction may appear in the instrument cluster.
• Shuddering during gear changes: The vehicle might shudder, particularly when shifting to odd-numbered gears, such as from 2nd to 3rd or 4th to 5th gear.

Workshop findings often confirm these symptoms and reveal that the calculated maximum temperature of Clutch K1 is around 400 °C. Additionally, the transmission fluid may smell burnt and appear black or very dark in color.

Fault Codes / DTCs

Technicians may find various DTCs stored in the Transmission Control Module (TCM), J217 (address word 0002), related to clutch and gear changing. Examples include fault descriptions like "gear 1 not adjustable" or "clutch slip."

This TSB also references TSB 2050723, which specifically mentions the following DTCs that may be stored in the TCM:

• P176F00
• P176E00
• P175E00

These codes are often associated with the "35 Gearbox Malfunction Warning" message.

Diagnosis / Trigger Conditions

To diagnose the Audi A3 S3 TT TTS gearbox malfunction, technicians will follow a specific procedure:

1. Initial TSB check: First, they will determine if TSB 2050723 applies to the vehicle. If it does not lead to a repair or an Audi Technical Assistance Center (TAC) case, they proceed with TSB 30 24 33 2060560/3.
2. Clutch 1 temperature check: Using a diagnostic scan tool, the measured value for Clutch 1's maximum temperature will be checked. A temperature of approximately 400 °C is a key indicator.
3. Transmission fluid inspection: A sample of transmission fluid will be drained into a white cup and inspected. The fluid's condition, including its smell and color (burnt, black, or very dark), is crucial for diagnosis.

Repair Procedure Summary

If the diagnostic steps confirm that Clutch 1's maximum temperature is around 400 °C and the transmission fluid smells burnt and is black or very dark, the following repair is required:

1. Dual clutch replacement: The dual clutch assembly will be replaced.
2. Transmission fluid replacement: The transmission fluid will be replaced.
3. Transmission filter replacement: The transmission filter will also be replaced.

These replacements are performed according to the detailed instructions in the repair manual. If the clutch temperature is not close to 400 °C and the fluid is not discolored or burnt, this TSB does not apply, and an Audi Technical Assistance Center (TAC) case should be opened.

Required Parts

To complete this repair, the following parts are typically needed:

• Fasteners, Bolts, Nuts, and Screws: As specified in the repair manual (check ETKA).
• Repair kit for Multiple Clutch: Part number 0GC398XXXX (ordered by VIN and production date).
• Filter element: Part number 0GC325XXXX (ordered by VIN and production date).
• Dual clutch gearbox oil: Part number G055529A2.

Always consult with your Audi Parts Department and/or ETKA for the latest information and specific part bulletins.

Important Warnings

For vehicles outside of the warranty period, this Technical Service Bulletin is for informational purposes only. Warranty claims are subject to review and audit by Audi Warranty and must comply with the Audi Warranty Policies and Procedures Manual.

Owner Action

If your 2021-2024 Audi A3, S3, TT, or TTS is experiencing clutch slip, shuddering during gear changes, or displaying a "gearbox malfunction message appears in the instrument cluster," it is recommended to schedule an appointment with an authorized Audi service center. Inform them of the specific symptoms you are experiencing. The technicians can then perform the necessary diagnostic steps outlined in TSB 30 24 33 2060560/3 to determine if this repair applies to your vehicle.

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Source: NHTSA ID: 10251500