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Home >> Chevrolet >> 2005 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Trouble Shooting >> Troubleshooting >> First and Fourth Gear Only - D4

First and Fourth Gear Only - D4

First and Fourth Gear Only - D4

Checks Cause
1-2 Solenoid (313)
  • Stuck On
  • Pinched wire to ground
1-2 Shift Valve (314) Stuck
PCM Failed
Check the PCM for current DTCs.
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