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

If your Audi A4, A5, A6, A7, Q5, RS5, S4, or S5 is having transmission issues, ControlUnits is here to help with professional Audi S-Tronic TCU repair for the DSG DL501 transmission. We specialize in restoring smooth gear shifts and optimizing your vehicle’s overall performance.

What is the Audi S-Tronic TCU DSG DL501?

The Transmission Control Unit (TCU) is an essential part of your DSG DL501 transmission. It ensures precise gear changes and maximizes the efficiency of your transmission system. When the TCU malfunctions, it can cause significant disruptions in your vehicle’s driving performance.

Common Audi S-Tronic TCU Problems

Drivers of Audi vehicles with the DL501 transmission often encounter these common issues:

Gear shifting becomes unpredictable or delayed
Transmission warning lights illuminate on the dashboard
Acceleration is delayed or sluggish
The car unexpectedly shifts into neutral

These issues can have a major impact on your driving experience and need to be addressed as soon as possible.

Audi S-Tronic TCU Repair Services by ControlUnits

Repair by Post: Send your faulty TCU to our workshop, where our team will diagnose and repair it before sending it back.
On-Site Repair & Fitting: Bring your vehicle to our workshop for expert repair and professional reinstallation of your TCU.
Replacement by Post: Receive a refurbished TCU, and return your old one to us as part of the exchange service.
Replacement & Fitting (On-site): Visit our workshop to have a refurbished TCU installed, with your faulty unit exchanged.

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 Transmission

Don’t let Audi transmission problems slow you down. For quick and reliable Audi S-Tronic TCU repair, book online or call us today at 01884 798090. We’ll ensure your DSG DL501 transmission is back in top condition, getting you back on the road without delay.

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
0B5927156K	0B5927256F	0B5927156K
4G0927166C	0B5927256F	0B5927156K
4G0927166K	0B5927256F	0B5927156K
4G0927166L	0B5927256F	0B5927156K
4G0927166P	0B5927256F	0B5927156K
4G1927156J	0B5927256F	0B5927156K
4G1927156K	0B5927256F	0B5927156K
4G2927156E	0B5927256F	0B5927156K
4G2927156H	0B5927256F	0B5927156K
4G2927156K	0B5927256F	0B5927156K
4G2927156M	0B5927256F	0B5927156K
4G2927156Q	0B5927256F	0B5927156K
4G2927156S	0B5927256F	0B5927156K
4G5927156	0B5927256F	0B5927156K
4G5927156A	0B5927256F	0B5927156K
4G9927156B	0B5927256F	0B5927156K
4G9927156E	0B5927256F	0B5927156K
8R0927166	0B5927256F	0B5927156K
8R2927156D	0B5927256F	0B5927156K

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 (0B5927256F / 0B5927156K)