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

Is your Audi A4, A5, A6, A7, Q5, RS5, S4, or S5 suffering from S-Tronic transmission issues? At ControlUnits, we specialize in Audi S-Tronic TCU repair for the DSG DL501 transmission, restoring smooth gear shifts and optimal performance for your vehicle.

What Is the Audi S-Tronic TCU DSG DL501?

The Transmission Control Unit (TCU) is the electronic brain behind the DSG DL501 transmission, responsible for ensuring precise gear shifts, optimal performance, and a smooth driving experience. If you’re experiencing transmission issues, this component is likely at fault.

Common Audi S-Tronic TCU Problems

Drivers with the DL501 transmission often report issues like:

Erratic or delayed gear shifts
Transmission warning lights appearing on the dashboard
Sudden shifts to neutral, affecting performance

These issues not only disrupt your driving experience but can also lead to costly repairs if left unresolved. That’s where our expert Audi TCU repair services come in.

Audi S-Tronic TCU Repair Solutions at ControlUnits

Repair by Post: Simply send us your faulty TCU, and we’ll provide diagnostics and repairs with a fast turnaround.
On-Site Repair & Fitting: Bring your Audi to our workshop, where we’ll repair and reinstall your TCU on the spot.
Replacement by Post: Receive a fully refurbished TCU, and return your faulty unit in exchange.
Replacement & On-Site Fitting: Visit our workshop for a complete installation of a refurbished TCU, 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 transmission problems hold you back. Whether you need Audi S-Tronic TCU repair by post or on-site fitting, ControlUnits has the perfect solution. Book your Audi TCU repair online or call us today at 01884 798090. We’ll restore your DSG DL501 transmission and get you back on the road with confidence.

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
4G1927156K	0B5927256G	0B5927156K
4G2927156M	0B5927256G	0B5927156K

Compatible Part Numbers

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

These vehicles fit to your product

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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 (0B5927256G / 0B5927156K)