Engine Control Module (ECM)
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
The engine control module (ECM) controls all turbocharger control functions. The ECM monitors information from various sensor inputs that include the following:
- The accelerator pedal position (APP) sensor
- The engine coolant temperature (ECT) sensor
- The mass air flow (MAF) sensor
- The intake air temperature (IAT) sensor
- The vehicle speed sensor (VSS)
- The transmission gear position or range information sensors
- The manifold absolute pressure (MAP) sensor
- The EGR position - if equipped