GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 Savana 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Fourth Gear Starts

Checks

Cause

2-3 Shift Solenoid Valve
    • Stuck On
    • Pinched wire to ground

Check the PCM for current DTCs.