GTO V8-6.0L VIN U (2005)
3. Install the ECM electrical connectors.
4. Connect the negative battery cable.
5. If a new ECM is being installed, program the ECM. Refer to Service Programming System (SPS) in Programming and Setup. See: Testing and
Inspection/Programming and Relearning
6. Whenever the ECM or the negative battery cables have been disconnected, the crankshaft variation procedure must be performed. Refer to CKP
System Variation Learn Procedure. See: Testing and Inspection/Programming and Relearning