GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
Lucerne
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Automatic Transmission Controls Schematics
Figure
1:
DLC, Ground and Power
Figure
2:
Shift Solenoids, TCC and TFT
Figure
3:
ISS, Pressure Control and VSS
Figure
4:
Internal Mode Switch (IMS)