CTS 2006-2007, CTS-V 2005-2007, DTS 2006-2007

Electronic Control Module


2.8L & 3.6L Engines

The Electronic Control Module (ECM) is located to the left of the throttle body, and just above the drive belt.

4.6L Engine

The Engine Control Module (ECM) is located in the engine compartment next to the air cleaner housing.

Click image to see an enlarged view

Fig. Engine Control Module (ECM) location view