Warning:Fuel that flows out at high pressure can cause serious injuryto the skin and eyes. ALWAYS depressurize the fuel system beforeremoving components that are under high fuel pressure.
Note:If a scan tool is not available, WAIT at LEAST 2-hours after the engine has been run,before removing the high pressure fuel line.
Disconnect the fuel tank wiring harness to the body wiring harness connector.Start the vehicle and allow the engine to idle until the engine stops. The enginewill stop in approximately 20–30 seconds.Turn the ignition OFF.Using a scan tool, verify that there is little to no fuel pressure, if there stillis fuel pressure repeat step-2.
Transmission Internal Mode Switch Logic Transmission Control Transmission Control Sensors Transmission Range Switch
Automatic Transmission Shift Lock Control Function Check Transmission Control Shift InterlockError and Suggestion Reporting
If you find an error in a GM Service manual, or if you have asuggestion about a GM service manual, we want to hear fromyou.When calling, be prepared with the followinginformation:Your nameThe name of your dealershipThe phone number of your dealershipThe model year and the vehicle lineThe publication ...