Gearbox & TCU Repairs

Mechatronics & Gearbox TCU Solutions

Modern transmissions are no longer just mechanical they’re controlled by precision electronics and mechatronic modules. At OBDTech, we diagnose, repair, and reprogram a wide range of transmission systems and gearbox ECUs across European, American, and Japanese vehicles.

🔍 Gearbox Types & Mechatronics We Service:

  • VAG (Volkswagen/Audi/Skoda/SEAT): DQ200, DQ250, DQ381, DQ500, DL501 (7-speed S-Tronic)
  • BMW: GA6HP26Z, 6HP21, 8HP45, 8HP70 (ZF-based automatics)
  • GM: 6L45, 6L80, 8L90, AF40/50 (Aisin-based)
  • Ford: 6DCT450 (Powershift), 10R80, 6R80
  • Toyota: Aisin U341E, UA80E, Direct Shift-8AT
  • Land Rover/Jaguar: 6HP28, 8HP70, 9HP48, ZF mechatronics
  • Hino/Nissan Diesel: AMT & CVT control modules (fleet diagnostics + reprogramming)

💾 Programming & TCU Configuration

Many gearbox modules (TCUs / mechatronics) arrive from the factory in a blank or virgin state and must be programed & coded to the vehicle’s VIN and engine data. Used modules are often locked to their original car, and cannot simply be cloned safely without risk of mismatch or long-term shift issues.

At OBDTech, we use OEM-level tools to:

  • Adapt and initialise new or used TCUs to your vehicle
  • Write coding, variant data, and VIN
  • Perform clutch, gear, and pressure adaptations
  • Test solenoids, internal temperature sensors, and TCU comms

🛠️ Mechanical Transmission Service

We don’t just program we service gearboxes the proper way. Our mechanical services include:

  • Transmission oil & filter changes (DSG, ZF, Aisin, CVT, etc.)
  • Leak repairs
  • Valve body inspections & repair
  • Clutch pack service (where applicable)

⚙️ TCU Performance Tuning & Modifications

Want faster shifts, less delay, and better performance from your automatic or DSG transmission? We offer custom gearbox tuning that delivers:

  • Faster upshifts & downshifts
  • Removed or raised torque limiters
  • Shift point adjustments (RPM / throttle based)
  • Launch control enabling (on supported platforms)
  • Gear holding for track use (manual mode only)
  • Custom clutch overheat temp thresholds (for track users)

Whether you're chasing better performance, smoother shifts, or fixing a dead TCU OBDTech has the tools and technical knowledge to do it right.