For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

California Proposition 65 WarningDoor Lock Switch Replacement
Door Lock Switch Replacement
Callout
Component Name
Preliminary Procedure
Remove the heater and air conditioning control. Refer to Heater and Air
Conditioning Control Replacement.
1
Door Lock Sw ...
Control Solenoid Valve and Transmission Control Module Assembly Inspection
Verify the conditions listed below do not exist. Carefully
inspect the control solenoid valve assembly connectors and pins (1, 2, 4, 6)
for the condition. Repair or replace as necessary.
Damage
Bent pins
Debris
Broken retaining tab
Contamination
Verify there is ...
Lift Plate and Holding Fixture Removal
Lift Plate and Holding Fixture Removal
Callout
Component Name
1
DT-46625 Transmission Holding Fixture
For equivalent regional tools, refer to Special
Tools.
Note: Raise the transmission in order to remov ...