Control Solenoid Valve and Transmission Control Module Assembly Replacement

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Replacing Control Solenoid Valve and Transmission Control Module Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures: Remove the control valve body assembly. Refer to Control Valve Lower Body and Upper Body Replacement .
1	Manual Shift Shaft Position Switch Assembly Electrical Connector Tip: Release the connector lock before disconnecting. Engage the connector lock after connecting.
2	Control Module Assembly Heat Sink Bolt (Qty: 2) NOTE: Refer to Fastener Notice . Tip: Tighten in specified sequence. Tighten: 8 N.m (71 lb in)
3	Control Solenoid Valve Assembly Bolt (Qty: 4) Tip: Tighten in specified sequence. Tighten: 8 N.m (71 lb in)
4	Control Solenoid Valve Assembly Bolt (Qty: 5) Tip: Tighten in specified sequence. Tighten: 8 N.m (71 lb in)
5	Control Solenoid Valve and Module Assembly Procedure Inspect the 4 filter plate retaining tabs. A broken tab may not adequately secure the filter plate to the control solenoid valve assembly. Align the control solenoid valve assembly with the lower valve body locator pin when assembling. If a replacement transmission control module is installed, program the module. Refer to Control Module References . Reset the transmission adaptive pressure (TAP) values. Refer to Service Fast Learn Adapts .
6	Filter Plate Tip: Discard filter plate and replace with new.