Automatic Transmission Controls Schematics. Buick LaCrosse 2008

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2008 🢒 LaCrosse 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Automatic Transmission Controls Schematics

Figure 1:	TCM Power, Ground, and Serial Data - LY7 or LS4 Master Electrical Component List Electronic Component Description Control Module References Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch - LY7 or LS4
Figure 2:	Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch - LY7 or LS4 Master Electrical Component List Electronic Component Description Control Module References PC Solenoid Valve, Fluid Pressure Manual Valve Position Switch, ISS and VSS Sensors - LY7 or LS4 TCM Power, Ground, and Serial Data - LY7 or LS4
Figure 3:	PC Solenoid Valve, Fluid Pressure Manual Valve Position Switch, ISS and VSS Sensors - LY7 or LS4 Master Electrical Component List Electronic Component Description Control Module References Automatic Transmission Internal Mode Switch (IMS) - LY7 or LS4 Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch - LY7 or LS4
Figure 4:	Internal Mode Switch - LY7 or LS4 Master Electrical Component List Electronic Component Description Control Module References Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch - L26 PC Solenoid Valve, Fluid Pressure Manual Valve Position Switch, ISS and VSS Sensors - LY7 or LS4
Figure 5:	Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch - L26 Master Electrical Component List Electronic Component Description Control Module References PC Solenoid Valve, Fluid Pressure Manual Valve Postion Switch, ISS and VSS Sensors - L26 Automatic Transmission Internal Mode Switch (IMS) - LY7 or LS4
Figure 6:	PC Solenoid Valve, Fluid Pressure Manual Valve Position Switch, ISS and VSS Sensors - L26 Master Electrical Component List Electronic Component Description Control Module References Automatic Transmission Internal Mode Switch (IMS) - L26 Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch - L26
Figure 7:	Internal Mode Switch - L26 Master Electrical Component List Electronic Component Description Control Module References PC Solenoid Valve, Fluid Pressure Manual Valve Postion Switch, ISS and VSS Sensors - L26