Sierra 1500 2WD V6-4.3L VIN X (2004)
3. Connect the PCM electrical connectors.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Tighten the PCM electrical connector bolts (2).
Tighten
Tighten the bolts to 8 N.m (71 lb in).
5. Install the PCM cover.
Ensure the mounting tabs are engaged into the mounting holes in the cover.
6. If a NEW PCM was installed, program the PCM. Refer to Service Programming System (SPS) in Programming. See: Testing and
Inspection/Programming and Relearning
7. Perform the crankshaft position (CKP) system variation learn procedure. See: Testing and Inspection/Programming and Relearning
8. If necessary, reset the engine oil life monitor.
