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Home >> GMC >> 2013 >> Yukon Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1728 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Symptom Troubleshooting And Diagnosis) >> Third Gear Only

Third Gear Only

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
System Voltage
  • 12 volts not supplied to transmission
  • Electrical short (pinched solenoid wire)
  • Solenoid not grounded
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