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Home >> Cadillac >> 2005 >> Escalade ESV >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Trouble Shooting) >> Diagnostic Information and Procedures >> No Third Gear - D4

No Third Gear - D4

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
No Third Gear - D4

Checks Cause
Direct Clutch Components
  • Seal (620, 621, 622)
 Leaking
  • Ball Check
 Leaking
  • Piston (619)
 Cracked or jammed
  • Housing (623)
 Cracked
  • Reaction Plates (618)
 Worn splines
  • Friction Plates (611)
 Worn splines or worn friction
  • Spring Assembly (607)
 Jammed
  • Center Support Seals (639)
 The seals are leaking at the center support hub.
  • Center Support (640)
 The support is broken or leaking at the case.
  • Center Support Bolt (25)
  • Loose or broken
  • Blocked hole
  • 2-3 Solenoid (311)
  • Stuck Off
  • Pinched wire
  • O-ring failure
  • No voltage to the solenoid
  • PCM
 No signal to the solenoid
  • 2-3 Shift Valve (312)
 Stuck
  • PCM
 Failed
Check the PCM for current DTCs.
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