GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Generic
🢒
2005
🢒
Unit Repair
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T40-E/4T45-E
🢒 Second Gear Only
Second Gear Only
Checks
Causes
1-2 Shift Valve (302)
Stuck in the down shifted position