Degraded 1-2 and 2-1 Shifts

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Check	Causes
DEFINITION: One of the two following conditions occurs during a first to second gear steady throttle upshift, or a second to first gear coast, or a light to moderate throttle detent downshift: Harsh shift feel An unacceptable quick gear change occurs. Soft shift feel An unacceptable long gear change occurs.
Second Clutch	Damaged piston, 1-2, 2-1 shift Damaged or worn clutch plates, 1-2, 2-1 shift
Pressure Control Solenoid	Damaged
Fluid Pump	Damaged