First and Second Gear Only (2-3 Solenoid Stuck On)

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Cause
DEFINITION: The transmission only provides first and second gear in Drive range. The shift pattern as the vehicle accelerates from a stop is 1-2-2-1. First gear ratio is 2.921:1 and second gear ratio is 1.568:1.
Control Valve Body Assembly	A faulty 2-3 shift solenoid valve assembly (315B) is stuck On. Debris is found in the control valve body (301) or the control valve body spacer plate and gasket assembly (396)