Main / Electronic Control Units (ECU)

ECU Diagnostics and Programming in Riga

The engine control unit decides when to regenerate, how much fuel and AdBlue to inject and how to open the EGR. Software faults, lost adaptations or a wrongly coded part cause the same symptoms as a mechanical failure. We check the electronics and update and set up control units — without removing emission systems.
When ECU work is needed

Faults come back after a repair

New injectors, NOx sensor, DPF or EGR valve that need adaptation

Control unit replaced or repaired

DPF regeneration will not start

Communication faults between modules (U codes)

How we work

01

Diagnostics

we read fault codes and live data and test the component on the car.

02

Root cause

we check related systems, as the fault is often caused by another component.

03

Approval and repair

we quote the price and timing and do only the work that is needed.

04

Check

we compare readings before and after and show you the result.

What we do

Computer diagnostics of all modules

Software updates

Injector coding and adaptation of new parts

Injector coding and adaptation of new parts

Service regeneration and DPF adaptation reset

Service regeneration and DPF adaptation reset

Power, ground and wiring checks

Price

Service

Price

Computer diagnostics

from 45 €

ECU programming

120 €

Part coding and adaptation

We confirm the exact price after diagnostics.
Why Diesel Technic

Specialisation

We focus on exhaust and emission control systems: DPF, EGR, AdBlue/SCR, NOx.

 

Diagnostics first

We don’t replace the filter if cleaning or a sensor replacement is enough.

Clear result

We show measurements before and after the work.

No unnecessary repairs

We explain what and why, and never push work you don’t need.

ECU programming in Riga: repair, not deletion

Many workshops offer to “solve” DPF, EGR or AdBlue problems by switching the system off in software. Such a car does not meet emission standards and will fail an inspection that measures particulates. We work differently: we find the cause of the fault and restore normal operation of the systems.

Programming is needed after replacing a control unit, injectors or sensors, for manufacturer software updates and for service procedures such as a forced DPF regeneration. Before programming we check the power supply and wiring so the unit is not damaged.

Frequently Asked Questions

No. We repair the systems so the car meets standards and passes inspection.

On most diesels, yes: the new injector codes must be written to the control unit, otherwise the engine will run unevenly.

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Get a personalized offer

Diagnostics + a printout of parameters and a clear understanding of what needs to be repaired.

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