"No communication with TCM"
If your DQ200-equipped VW, Audi, Škoda or SEAT is showing any of these symptoms, the mechatronic TCM has likely failed internally. The dealership will quote thousands for a replacement. We repair your original unit instead.
Common fault codes we repair
Select your code for detailed information.
U0101: Lost Communication with TCM
The vehicle’s ECU cannot communicate with the Transmission Control Module.
View detailsP1604: Internal Control Module Malfunction
The TCM has logged an internal malfunction within its own circuitry.
View detailsP0562: System Voltage Low
The TCM is reporting low system voltage, often caused by internal power regulation failure.
View detailsP0600: Serial Communication Link Fault
The serial communication link between the TCM and other modules has failed.
View detailsP0700: Transmission Control System Malfunction
The TCM has flagged a malfunction in the transmission control system.
View detailsHow It Works
From deposit to dispatch — the full process explained.
Pay £249 Online
Secure your booking with a flat £249. Covers testing, repair, insured postage both ways, and your 3-month warranty.
Send Your Module
Print the packing slip, take your unit to any UK Post Office, scan the QR code — no printer needed for the label.
We Test & Diagnose
Our technicians identify the fault and confirm whether the unit is repairable.
We Notify You
You receive a test report. If repairable, pay the £199 balance. If not, you owe nothing more.
We Repair & Test
Component-level repair, then full validation testing with a printed test report.
Dispatched to You
Insured return postage. Back on the road within ~3 working days of receipt.
Pricing
Flat Repair Price
£249
Postage both ways, test report & 3-month warranty included
Pay £249 upfront
Covers testing, repair, insured postage & warranty
Can't fix it? £199 refunded
You only cover return postage — no hidden charges
No fix, no fee — if we can't repair it, we refund £199
What's included as standard
Every repair, at no extra cost.
Postage
Label printing
Test report
Warranty
Packing slip
Vehicles We Repair
All VAG vehicles equipped with the DQ200 7-speed DSG transmission.
Part Numbers We Repair
Find your module's part number for detailed repair information.