GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1999
🢒
Monte Carlo
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T60-E
🢒 First and Fourth Gear Only - 1-2 Solenoid Stuck On
First and Fourth Gear Only
Checks
Cause
1-2 Shift Solenoid ON Failure
•
Foreign material in the solenoid
•
The PCM signal is grounded
•
Pinched solenoid return wire to ground