First and Fourth Gear Only

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T60-E 🢒 First and Fourth Gear Only - 1-2 Solenoid Stuck On

Checks

Cause

1-2 Shift Solenoid ON Failure

•	Foreign material in the solenoid

•	The PCM signal is grounded

•	Pinched solenoid return wire to ground