First and Fourth Gear Only - D4. GMC Truck Yukon XL Denali 2006

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2006 🢒 Yukon XL Denali 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 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.