GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra - 4WD
🢒
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