LaCrosse V6-3.8L (2009)
Transmission Temperature Sensor/Switch: Service and Repair
Fluid Temperature Sensor Replacement
Fluid Temperature Sensor Replacement
Removal Procedure
1. Remove the case side cover. Refer to Control Valve Body Cover Replacement (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Valve Body/Service and Repair/Control Valve Body Cover Replacement).
2. Disconnect the wiring harness assembly from the fluid temperature sensor (391).
3. Remove the fluid temperature sensor (391).
Installation Procedure
1. Install the fluid temperature sensor (391).
2. Connect the wiring harness assembly to the with fluid temperature sensor (391).
3. Install the case side cover. Refer to Control Valve Body Cover Replacement (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Valve Body/Service and Repair/Control Valve Body Cover Replacement).
Important: It is recommended that transmission adaptive pressure (TAP) information be reset. Resetting the TAP values using a scan
tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission
performance may be affected as new TAP values are learned.
4. Reset the TAP values. Refer to Transmission Adaptive Functions (See: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Description and Operation/Transmission Adaptive Functions).
