Check for a stored DTC, and check for loose connectors.

Check the drive pulley, the driven pulley, the pulley shafts, the steel belt, and pulley related parts for wear and damage. If there are worn or damaged, replace the transmission housing assembly.

Check the transmission fluid feed pipe for wear, damage, and out of round.

Inspect the clearance between the forward clutch end-plate and the top disc. If the clearance is out of tolerance, replace the forward clutch assembly.

Inspect the input shaft assembly for wear and damage. If the input shaft is worn or damaged, replace it and also check the related part of the input shaft assembly for wear and damage.

Inspect the reverse brake piston and the O-rings. Check the spring retainer for wear and damage. Inspect the clearance between the brake end-plate and the top disc. If the clearance is out of tolerance, inspect the brake discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the brake end-plate.

Check the thrust needle bearing and the thrust washers on the planetary carrier for wear and damage. If the thrust needle bearing or the thrust washer are worn or damaged, replace them and adjust the clearance with the thrust shim.

Check the main valve body for wear and damage.

Check the secondary valve body for wear and damage.

Check the linear solenoid valve body for wear and damage.

Check the clutch reducing valve body for wear and damage.

Inspect the solenoid wire harness for open and short.

Inspect the torque converter assembly for wear and damage. If the torque converter assembly is worn or damaged, replace it as an assembly.