First and Second Gear Only - 2-3 Solenoid Stuck On. Buick Terraza Ext. 2007

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2007 🢒 Terraza Ext. 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 First and Second Gear Only - 2-3 Solenoid Stuck On

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)