GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Transmission 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Third Gear Only

Third Gear Only

Checks

Causes

System Voltage
    • 12 volts not supplied to transmission
    • Electrical short (pinched solenoid wire)
    • Solenoid not grounded