What does Automatic Gearbox Stage 1 involve?

It adapts the electronic control of a healthy automatic gearbox to a defined use.

What information must I provide?

Provide the TCU file, diagnostics, service history and engine configuration.

Is this service suitable for every vehicle?

Only compatible transmissions and software versions can be treated.

How is the result validated?

Adaptations, temperatures and shifts are reviewed during a progressive functional test.

Our services

Stage 1 Boite Auto

100 credits

Measured TCU optimisation for improved shift logic and drivability on a healthy gearbox.

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TCU Stage 1 adjusts shift strategies, torque requests and selected limits within a framework suitable for a serviced stock transmission. The desired behaviour is agreed before calibration.

What this service delivers

Coherent shifts

Gear selection logic is matched to the intended use.

Engine-gearbox alignment

Torque coordination is harmonised with the engine calibration.

Tailored modes

Available drive modes are refined within TCU capabilities.

How the service works

1
Request review
Identify the TCU, review diagnostics and service history, and agree objectives.
2
Custom preparation
Calibrate strategies compatible with the gearbox and engine setup.
3
Validation and delivery
Check temperatures, adaptations and shift behaviour after flashing.

Requirements

Correctly serviced gearbox with compliant fluid and level.
No slipping, abnormal shifts or active faults.
A complete TCU file and known engine configuration.