CTS Sedan AWD V6-3.0L (2010)
Engine Control Module: Locations
Front of Vehicle/Engine Compartment Component Views
Engine Compartment Components (LF1 or LLT)
1 - Brake Booster Vacuum Sensor
2 - Brake Fluid Level Switch
3 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
4 - Fuse Block - Underhood
5 - Engine Control Module (ECM)
6 - Electronic Brake Control Module (EBCM)
