Torque Converter Clutch Stuck On or Off. Saturn Astra 2009

For 1990-2009 cars only

Makes 🢒 Saturn 🢒 2009 🢒 Astra 🢒 Transmission 🢒 Automatic Transmission - AF17-4 🢒 Torque Converter Clutch Stuck On or Off

Condition

Action

DEFINITION: Torque converter clutch stuck on or no lock-up

Park/neutral position switch (72)

Replace park/neutral position switch (72).

Vehicle brake switch

•	Inspect for operation of vehicle brake switch.

•	Replace brake switch if faulty.

Transmission control module

Inspect for proper function of TCM and replace if faulty.

Transmission oil temperature switch (32)

•	Perform function check on the transmission oil temperature switch (32).

•	Replace the automatic transmission wiring harness assembly (78).

Lock-up control solenoid (SLU) (310)

•	Perform electrical function check on the lock-up control solenoid (SLU) (310).

•	Replace the valve body if the lock-up control solenoid (SLU) (310) is faulty.

Torque converter (1)

Replace the torque converter (1).

Valve body (39)

Replace valve body (39).