Engine control unit 5WK91707 / 09117394
What does engine controller 5WK91707 do in Opel?
The ECU module marked 5WK91707 manages engine operation by processing sensor data and controlling fuel dose, ignition timing and emission parameters. A properly functioning 5WK91707 controller ensures smooth engine operation and optimal vehicle performance.
What does GM number 09117394 mean?
Number 09117394 is a catalog designation used in the GM system. In practice, 09117394 and 5WK91707 refer to the same type of engine computer, although they may appear in different formats depending on documentation.
Which Opel models use controller 09117394?
The controller marked 09117394 was installed in selected engine versions of Opel Astra, Opel Vectra and Opel Zafira. Application depends on model year and engine type, therefore comparing the number on the old ECU is essential.
How to check if ECU 5WK91707 fits my car?
The safest method is to verify the number directly on the installed controller. If it shows 5WK91707 or 09117394, hardware compatibility is confirmed. If in doubt, provide the VIN for verification.
Why are there two numbers: 5WK91707 and 09117394?
It is the same unit with dual designation – electronics manufacturer uses 5WK91707 while GM uses 09117394. The difference is only numbering format.
How to search for 5WK91707 online?
Enter the full number 5WK91707 or 09117394. You can also add the vehicle model for more precise results.
Is programming required after installation?
In most cases yes. Immobiliser pairing, throttle adaptation or configuration may be required depending on ECU status.
What versions are available?
Available in programming version or prepared for individual configuration.
Symptoms of faulty ECU?
No communication, starting issues, unstable engine operation or injection control errors.
What if controller is not compatible?
Contact us with ECU numbers and vehicle data for verification.
