GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Generic
🢒
2005
🢒
Unit Repair
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T40-E/4T45-E
🢒 First and Fourth Gears Only
First and Fourth Gears Only
Checks
Causes
1-2 Shift Solenoid Valve (305)
•
Stuck ON
•
The solenoid is plugged
•
Electrical malfunction