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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1587 (Automatic Transaxle - 4T45-E - Service, Diagnosis & Troubleshooting) >> Third and Fourth Gears Only

Third and Fourth Gears Only

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Third and Fourth Gears Only

Checks Causes
2-3 Shift Solenoid Valve(305)
  • Stuck ON
  • Solenoid is plugged
  • Electrical malfunction
1-2 and 2-3 Shift Valves Both are stuck in an upshifted position
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