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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 >> Second and Third Gear Only - D4

Second and Third Gear Only - 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.
Second and Third Gear Only - D4

Checks Cause
1-2 Solenoid (313)
Check for DTCs.
  • Stuck Off
  • Loose connector
  • No voltage to the solenoid
  • Solenoid O-ring failure
  • No PCM signal to the solenoid
1-2 Shift Valve (314) Stuck
PCM Failed
Check the PCM for current DTCs.
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