Avalanche 2500 4WD V8-8.1L VIN G (2003)
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. Connect the negative battery cable.
7. If a NEW PCM was installed, program the PCM. See: Testing and Inspection/Programming and Relearning
