2021-2024 Audi Gearbox Malfunction TSB 2067653/7

Audi has issued Technical Service Bulletin (TSB) 2067653/7, superseding previous bulletin 24-67, to address a function restriction in the gearbox that may trigger specific Diagnostic Trouble Codes (DTCs) and instrument cluster warnings. This TSB applies to various 2021-2024 Audi models, including the A4, A5, A6, A7, and Q5, when the transmission was manufactured between June 15, 2020, and November 30, 2023.

This bulletin provides detailed information for diagnosing and repairing issues related to intermittent input/turbine speed sensor signals and excessive clutch slippage, which can lead to a Audi A6 gearbox malfunction P071800 or similar issues.

Symptoms

Owners of affected Audi vehicles may observe one or more of the following symptoms:

• The instrument cluster displays the message: "Gearbox Malfunction"
• The vehicle intermittently does not shift up or down.
• The vehicle enters limp home mode, restricting performance.
• The instrument cluster displays the message: "Reverse gear unavailable"
• The instrument cluster displays the message: "You can continue driving (functions limited)"

Fault Codes / DTCs

Technicians diagnosing this issue may find the following Diagnostic Trouble Codes (DTCs) stored in the transmission control module (TCM), J217 (address word 0002):

DTC Code	Description	Symptom Code
P071800	"Input/Turbine Speed Sensor 'A' Circuit Intermittent", passive/sporadic	20736
P276800	"Input/Turbine Shaft Speed Sensor 'B' Circuit Intermittent", passive/sporadic	20737
P081100	"Excessive Clutch Slippage", passive/sporadic	20870
P081E00	"Clutch 2 excessive clutch slippage", passive/sporadic	20872

These DTCs can appear individually or in combination, indicating a potential Audi A6 gearbox malfunction P071800 or related transmission issues.

Important Warnings for Diagnosis and Repair

• Transmission Production Date: This TSB specifically applies to transmissions manufactured within the date range of June 15, 2020, and November 30, 2023. If the transmission's manufacturing date falls outside this range, this TSB does not apply.
• DTC Status: If DTC P071800 or P276800 is stored as active/static, the repair procedure outlined in this TSB does not apply. In such cases, technicians must follow the ODIS test plan completely and accurately.

Repair Procedure Summary

For a confirmed Audi A6 gearbox malfunction P071800 where the DTCs P071800 or P276800 are logged as passive/sporadic, the recommended repair involves replacing the transmission control unit J217. The general steps are:

1. Verify Transmission Production Date: Confirm the transmission was built within the specified date range (June 15, 2020, to November 30, 2023) by checking the data stamps on the transmission (refer to Figure 1 in the TSB for locations).
2. Confirm DTC Status: Ensure that the relevant DTCs (P071800 or P276800) are stored as passive/sporadic in the transmission control module.
3. Replace Transmission Control Unit: If the conditions are met, replace the transmission control unit J217 following the instructions in the Workshop Manual.
4. Test Program: Utilize the "Replace control module" test program in the diagnostic system.
5. Test Drive: Conduct a road test after the service procedure to confirm the concern is resolved.

Required Parts and Tools

Specific parts and tools are required for this repair. Technicians should consult ETKA and ELSA for the latest information and part numbers.

Part Number	Part Description	Quantity
See ETKA	Fasteners, Bolts, Nuts, and Screws as needed per the Repair Manual	See ETKA/ELSA
Order to VIN	Control unit for 7 speed gearbox	01
Order to VIN	Gasket for oil pan, Plugs, tube from oil pan to transmission cooler.	See ETKA/ELSA

Warranty Information

This repair is covered under warranty for up to 48 months or 50,000 miles. For Certified Pre-Owned (CPO) vehicles, claim type G10 applies. If the vehicle is outside of warranty, this Technical Service Bulletin serves as informational guidance.

• Service Number: 3511
• Damage Code: 0040
• Claim Comment: As per TSB 2067653/7

Specific labor operations and times are provided for warranty claims:

Labor Operation	Description	Labor Time (TU)
3511 19xx	Remove and install mechatronic unit	See SRT
3481 1950	Remove and install control unit (some models may have predecessor labor operations which may also be claimed)	See SRT
GFF 0150 0000	Diagnostic Time	Max 80 TU
0121 0002	Road test prior to service procedure	10 TU
0121 0004	Road test after service procedure	10 TU
2706 8950	Charge battery	10 TU

All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual.

Revision History

This Technical Service Bulletin has undergone several revisions:

• Revision 7: Updated Gearbox Production Date and added Battery Charge to Warranty.
• Revision 6 (January 12, 2024): Changed Gearbox Production Date.
• Revision 5 (December 12, 2023): Revised header (removed Model Year), changed Gearbox Production Date, and edited service instructions/note.

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Source: NHTSA ID: 11002894