Guide / Simos 18 ECU

Simos 18 ECU

Reference material for the Simos 18 ECU: pin assignments, and the patches that make use of them.

Articles

Pinout

Pin assignments for coolant-pump, turbocharger-speed and wastegate signals.

Simos 18 ECU pinout →
Easy Wastegate Patch

Control wastegate position directly from feedforward maps instead of the stock turbo model.

Easy Wastegate Patch →
WG N75 Patch

Drive a pneumatic wastegate through an N75 valve on pin A21.

WG N75 Patch →