gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Sensors and Switches - Computers and Control Systems > < Powertrain Control Module (PCM) Programming (Off-board)|Page 5564
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3. Connect the PCM connectors.

NOTE:  Refer to Fastener Notice in Service Precautions.

4. Tighten the PCM harness connector bolts (2).

Tighten
Tighten the bolts to 8 N.m (70 lb in).

5. Install the PCM cover.
6. Snap the PCM cover over the mounting tabs on the PCM bracket.
7. If equipped with RPO NYS, install the harness ground to the clip attached to the PCM cover.
8. Connect the negative battery cable.
9. If a new PCM is being installed, program the PCM.  See: Testing and Inspection/Programming and Relearning

Sensors and Switches - Computers and Control Systems > < Powertrain Control Module (PCM) Programming (Off-board)|Page 5564