0B5 0B5927256B DL501 Transmission Control Unit TCU TCM for Audi S-Tronic

0B5 0B5927256B DL501 Transmission Control Unit TCU TCM for Audi S-Tronic

Audi S-Tronic TCU repair & rebuild for DSG DL501. This OE electronic module manages gear selection, shift timing, and clutch actuation within the DL501 transmission. Compatible with a range of Audi vehicles using the 7-speed S-Tronic system, and with the Porsche Macan.

Direct replacement for OE part 0B5927256B. Engineered for precise electronic control and reliable operation. Suitable for professional installations and gearbox rebuilds requiring exact component matching.

Important Information for Buyers

This unit is brand new and does not contain any software. Suitable programming required for installation.

Frequently Asked Questions (FAQ)

Which Audi and Porsche models does the 0B5927256B TCU fit?

This TCU (OE ref 0B5927256B) is designed for vehicles fitted with the Audi 0B5 DL501 7-speed S-Tronic dual-clutch gearbox. Compatible vehicles include the Audi A4, A5, A6, A7, Q5 and the Porsche Macan. Confirm your gearbox code is 0B5/DL501 before ordering.

Does this TCU come pre-programmed?

No — this is a brand-new unprogrammed unit. It must be coded to your vehicle using ODIS, VCDS or a compatible diagnostic tool. This work must be carried out by a technician with Audi/Porsche diagnostic capability.

What is the difference between the DL501 and the 0B5 gearbox?

DL501 is the Audi internal development designation for this gearbox; 0B5 is the VDS (Vehicle Data System) production code. They refer to the same 7-speed S-Tronic wet dual-clutch transmission used in longitudinally-mounted applications.

Is this TCU the same as 0B5927256 (without the B)?

The 0B5927256B is a revised version of the 0B5927256 unit. The suffix letter indicates a design revision. Always use the full part number including the suffix when verifying compatibility with your vehicle's current specification.

Frequently Asked Questions

Which dual clutch transmission does this fit?

This TCU fits the Audi 0B5 DL501 7-speed S-Tronic dual-clutch gearbox. Confirm your unit code via ETKA/ELSA or VIN lookup before ordering.

What is included?

A single replacement Transmission Control Unit (TCU/TCM), OE reference 0B5927256B, for the DL501 gearbox.

Is this genuine or OEM-quality?

Yes — supplied to OEM specification using quality-graded components.

Do I need to drain the transmission before fitting?

Yes — the dual clutch unit must be drained before internal work. Refer to the workshop manual for the correct drain and refill procedure and correct fluid quantity.

Why Choose Eco Torque?

• Genuine gearbox parts
• High-quality aftermarket alternatives
• Competitive pricing

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Need Help Finding the Right Part?

If you're unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN code, and we'll help you find the correct part.

Reference Number: ET4225