Audi S-Tronic TCU Repair & Rebuild – DSG DL501 Transmission

If you’re noticing transmission issues with your Audi A4, A5, A6, A7, Q5, RS5, S4, or S5, ControlUnits offers expert Audi S-Tronic TCU repair for the DSG DL501 transmission. Our services ensure that your vehicle shifts smoothly and maintains peak performance.

What is the Audi S-Tronic TCU DSG DL501?

The Transmission Control Unit (TCU) in your DSG DL501 system is vital for managing gear shifts and enhancing the overall performance of your vehicle. A malfunctioning TCU can disrupt these processes, leading to noticeable transmission issues that affect your driving experience.

Common Audi S-Tronic TCU Problems

Owners of Audi models equipped with the DL501 transmission commonly face these issues:

Inconsistent gear shifting
Warning lights related to the transmission system
Delayed responses when accelerating
Unexpected shifts into neutral

These problems can significantly impact your vehicle’s performance and should be addressed quickly with professional repair services.

Audi S-Tronic TCU Repair Services by ControlUnits

Repair by Post: Send us your TCU, and we’ll diagnose and repair it before returning it to you.
On-Site Repair & Fitting: Visit our workshop for a full repair and reinstallation of your TCU.
Replacement by Post: We provide a refurbished TCU in exchange for your faulty unit, delivered directly to your door.
Replacement & Fitting (On-site): We’ll install a refurbished TCU at our workshop, with your old unit taken in exchange.

Note: If the unit does not require repair, a testing fee, plus packaging and postage costs, will apply. For full details on the process, see How It Works.

Compatible Vehicles

This DL501 S-Tronic TCU Repair service is compatible with models from Audi. For specific vehicle models, see Matching Vehicles.

Restore Your Audi’s Performance

Don’t let Audi transmission problems impact your driving experience. Book your Audi S-Tronic TCU repair online or call us at 01884 798090 today, and we’ll ensure your DSG DL501 transmission is fully restored and ready for the road.

Find Your Part Number

If your part number is not listed below or you require assistance, please call us on 01884 798090

Part Number	Part Number	Part Number
8R0927156Q	0B5927256B	0B5927156F
8R0927156T	0B5927256B	0B5927156F
0B5927156F	0B5927256B	0B5927156F
4G0927156J	0B5927256B	0B5927156F
4G0927156K	0B5927256B	0B5927156F
4G0927156L	0B5927256B	0B5927156F
4G0927156M	0B5927256B	0B5927156F
4G0927156N	0B5927256B	0B5927156F
4G0927156S	0B5927256B	0B5927156F
4G1927156A	0B5927256B	0B5927156F
4G1927156B	0B5927256B	0B5257156F
4G1927156C	0B5927256B	0B5927156F
4G1927156D	0B5927256B	0B5927156F
4G1927156J	0B5927256B	0B5927156F
4G2927156B	0B5927256B	0B5927156F
8K1927156F	0B5927256B	0B5927156F
8K1927156G	0B5927256B	0B5927156F
8K1927156H	0B5927256B	0B5927156F
8K1927156J	0B5927256B	0B5927156F
8K1927156L	0B5927256B	0B5927156F
8K1927156M	0B5927256B	0B5927156F
8K1927156R	0B5927256B	0B5927156F
8R0927156R	0B5927256B	0B5927156F
8R0927156S	0B5927256B	0B5927156F

Compatible Part Numbers

View All

Communication fault
Snapped plug
Corroded plug
Ribbon tape damaged
Other faults on request

These vehicles fit to your product

Make	Model	Years
Make	Model	Years
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Repair Service (By Post)

Place Your Order: Book your repair online or by phone and complete our repair form.
Send Your Item: Securely pack your item and ship it to us. If you require a collection service, please get in touch with us.
Testing & Repair: We’ll test your unit first. If it’s faulty, we will repair it within 1-3 working days.
Payment: Once the repair is completed, we’ll contact you with payment options.
Return Shipment: Your repaired item will be shipped back to you, carefully packed and tracked.

Note: If the unit sent to us is not faulty, we will charge only a test fee, along with packaging and postage costs. Please see our test fee and postage charges.

Important Shipping Notice It is your responsibility to package the item securely to prevent any damage during shipping. Use appropriate materials and a sturdy box, to ensure the item arrives at our facility in the same condition as it was sent. We will not take responsibility for items damaged due to insufficient packaging.

Repair & Fitting (On-site)

Contact Us: Call to discuss your repair needs and schedule an appointment.
Diagnosis & Repair: Our technicians will diagnose the issue and remove, repair, reinstall the faulty component, usually within 2-3 hours (depends on the unit type).
Test Drive: After the successful repair, we will take your vehicle for a test drive to ensure everything works perfectly.
Payment & Collection: Pay for the service and drive away with your restored vehicle.

Replacement Units

Place Your Order: Please contact us with your faulty unit's part number so we can check the availability of a replacement unit.
Ship Your Original Unit: Carefully pack and send your original unit to us.
Data Transfer Process: We will transfer all necessary data from your original unit to ensure the replacement is fully compatible with your vehicle. Some units can be programmed without the original unit (please check with a member of our staff).
Self-Programming (Optional): If you prefer to program the replacement unit yourself and send your original unit later, contact our customer service. A deposit will apply until we receive your original unit.
Return Shipment: Once the data transfer or programming is complete, we will send your replacement unit to you, ready for installation. Please be aware that some mechatronic units will require an adaptation procedure after installation, which must be carried out with the relevant diagnostic tools.

Note: All replacement units are sold on an exchange basis. You must return your original unit to complete the process.

Replacement & Fitting (On-Site)

Contact Us: Call to discuss your replacement needs and schedule an appointment.
Diagnosis & Repair: Our technicians will diagnose the vehicle and remove, replace, and install the replacement unit, usually within 2-3 hours (depends on the unit type).
Test Drive: After the component installation, we will take your vehicle for a test drive to ensure everything works perfectly.
Payment & Collection: Pay for the service and drive away with your restored vehicle.

Note: All replacement units are sold on an exchange basis, so your original unit will remain with us.

Customer Service

Audi S-Tronic TCU Repair DSG DL501 (0B5927256B / 0B5927156F)