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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Trouble Shooting) >> Troubleshooting >> Second Gear Starts

Second Gear Starts

WARNING: This page is about a different variant/trim than selected.
Second Gear Starts

Checks Cause
Intermediate Clutch Plates (631, 632) Seized
Direct Clutch Lube Feed Blocked
Center Support Springs (635) Jammed
Center Support Piston (636) Jammed
1-2 Shift Solenoid Valve (313)
  • Stuck Off
  • O-ring failed
  • No voltage to the solenoid
  • Poor connection
PCM
  • No PCM signal to the solenoid
  • Failed
1-2 Shift Valve (314) Stuck
Check the PCM for current DTCs.