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Construction Machine · Terex

Terex Construction Machinery ECU Software Solutions

We provide verified software solutions for the engine control units of Terex construction machines.

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ECU software work on a Scania truck and a Doosan excavator in the workshop

On Terex machines the engine control unit is recalibrated from the machine's own original file. Services with verified solutions for Terex in our library: DPF Delete, EGR Delete and AdBlue / SCR Delete.

The ECU models we work on in Terex machines include BOSCH EDC17CV52. The ECU type varies with model year and engine; send us a photo of the ECU label or the machine details and we will confirm exactly which services are possible.

The result depends on the machine and the engine. The calibration respects the limits of the engine, cooling and hydraulic system, and the original software is archived.

Services available for Terex machines

DPF Delete

Software deactivation of the diesel particulate filter (DPF/FAP) functions and fault codes.

EGR Delete

Software deactivation of the exhaust gas recirculation (EGR) valve control and fault codes.

AdBlue / SCR Delete

Software deactivation of the AdBlue/SCR dosing system and its fault/warning functions.

ECU models used in Terex machines

BOSCH EDC17CV52

Frequently asked questions

Which software services are available for Terex machines?
Services with verified solutions for Terex in our library: DPF Delete, EGR Delete and AdBlue / SCR Delete. We confirm which of them apply to your machine from the file, according to its ECU type.
How do I find out which ECU my Terex machine has?
Terex machines use control units such as BOSCH EDC17CV52. The exact type is read from the label on the ECU or with a diagnostic tool; a photo of the label is enough.
Can the original software be restored afterwards?
Yes. The original software is archived and your Terex machine can be returned to factory settings on request.
How long does the job take?
Most ECUs are read and written through the diagnostic socket and the job is finished the same day; some units are removed and processed on the bench.
Will a reset clear the AdBlue warning?
After the tank is refilled, the warning goes out by itself on most machines. If it stays on after topping up, the cause is usually the NOx sensor, pump, heater or level sensor; a reset alone does not last, and the warning and power reduction return. The fault memory is read first and the source identified.
The machine keeps asking for a parked regeneration. What does that mean?
It means the soot load in the filter is rising faster than normal. The reason is usually the way the machine is used (long idling, low load) or a fault in the injectors, EGR or differential pressure sensor. Rather than starting regeneration again and again, the cause needs to be diagnosed.
The machine is losing coolant. Could it be related to the EGR?
It could. When the EGR cooler leaks internally, coolant passes to the exhaust side; coolant drops without any visible leak and white smoke may come from the exhaust. This is a mechanical fault and software does not fix it; the cooler is repaired or replaced. The software solution is for EGR faults caused by the valve and sensors.

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Quick file quote

Tell us the machine — we reply on WhatsApp

Send the machine and ECU details in under a minute. Our Istanbul team checks the file options and replies with the next step.

  • Original read checked before work
  • Checksum corrected
  • Support after delivery

Order on ECU Prime →

Opens WhatsApp with your details filled in. Workshops can also order directly on ECU Prime.

Need a file for a tractor or machine?

Send the machine and ECU details on WhatsApp, or order directly on ECU Prime with your master or slave account.

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