GMC Workshop Service and Repair Manuals > Savana 1/2 Ton Van V8-5.7L VIN R (2001) > Powertrain Management | Computers and Control Systems | Powertrain Control Module <--> [Engine Control Module] | Component Information | Diagrams

Powertrain Control Module <--> [Engine Control Module]|Service and Repair > < Diagram Information and Instructions|Page 4054

Page 1

Powertrain Control Module: Description and Operation

The PCM supplies a buffered voltage to various sensors and switches. The PCM controls most components with electronic switches which complete a
ground circuit when turned ON.

Powertrain Management
Computers and Control Systems
Powertrain Control Module <--> [Engine Control Module] / Component Information
Diagrams
Page 4055

Powertrain Control Module <--> [Engine Control Module]|Service and Repair > < Diagram Information and Instructions|Page 4054

GMC Workshop Service and Repair Manuals

Savana 1/2 Ton Van V8-5.7L VIN R (2001)

Powertrain Management Computers and Control Systems Powertrain Control Module <--> [Engine Control Module] / Component Information Diagrams Page 4055

Powertrain Management Computers and Control Systems Powertrain Control Module <--> [Engine Control Module] / Component Information Diagrams Page 4055

Powertrain Management
Computers and Control Systems
Powertrain Control Module <--> [Engine Control Module] / Component Information
Diagrams
Page 4055

Powertrain Management
Computers and Control Systems
Powertrain Control Module <--> [Engine Control Module] / Component Information
Diagrams
Page 4055