gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Ignition System > < Powertrain Control Module (PCM)|Page 2620
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NOTE:  Refer to Fastener Notice in Service Precautions.

3. Connect the PCM connectors to the PCM.

Tighten
Tighten the PCM connector end fasteners to 8 N.m (71 lb in).

4. Connect the negative battery cable.
5. Install the air cleaner assembly.
6. If a new PCM is being installed, program the PCM. Refer to Service Programming System (SPS) in Programming.  See: Testing and

Inspection/Programming and Relearning

Relays and Modules - Ignition System > < Powertrain Control Module (PCM)|Page 2620