Sierra 1500 4WD V8-5.3L VIN T (2004)
1. Install the PCM.
Ensure that the mounting tabs are engaged.
2. Secure the spring latch to the PCM.
3. Connect the PCM electrical connectors.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Tighten the PCM electrical connector bolts (2).