Reference Information
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Schematic Reference
Engine Controls Wiring Schematics
Connector End View Reference
COMPONENT CONNECTOR END VIEWS - INDEX
Powertrain Component View
Description and Operation
Evaporative Emission Control System Description
Electrical Information Reference
- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Special Tools
- CH-48096 EVAP Service Access Port Tool
- GE-41413-A Evaporative Emissions System Tester (EEST)
- GE-41413-SPT High Intensity White Light
- GE-41415-30 Fuel Tank Cap Adapter
- GE-41415-60 Engine Induction System Leak Test Adapter/Capless Fuel Fill Adapter
- J-41413-300 EVAP Cap and Plug Kit
- J-41413-311 EVAP Plug (Brass Nozzle)
- J-41413-VLV EVAP Service Port Vent Fitting
For equivalent regional tools, refer to Special ToolsSpecial Tools (Diagnostic Tools)