Second and Third Gear Only (1-2 Solenoid Stuck Off). Pontiac Grand Prix 2005

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2005 🢒 Grand Prix 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Second and Third Gear Only (1-2 Solenoid Stuck Off)

Checks

Cause

DEFINITION: The transmission only provides second and third gear in Drive range. The transmission has no engine braking in manual ranges, touch activated power models. The shift pattern as the vehicle accelerates from a stop is 2-2-3-3. Second gear ratio is 1.568:1 and third gear ratio is 1.000:1.

Control Valve Body Assembly

•	A faulty 1-2, 3-4 shift solenoid valve assembly (315A) is stuck Off.

•	A missing or damaged shift solenoid valve O-ring seal (316)

•	Plugged or damaged solenoid valve screen/seal assembly (382)

•	Debris is found in the control valve body (301) or the control valve body spacer plate and gasket assembly (396)

Case Cover Assembly

A stuck, binding, or missing actuator feed limit valve line-up (414-416)