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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Overhaul, Troubleshooting & Diagnosis >> Symptoms - Automatic Transmission >> No First or Second Gear/No Third or Fourth Gear

No First or Second Gear/No Third or Fourth Gear

No 1st or 2nd/No 3rd or 4th

Checks Causes
2-3 Shift Solenoid Valve (367B)
  • Sediment is in the valves
  • The electrical connection is faulty
  • Damaged seal