Electrical glitch causes my car to have trouble changing out of first gear.?

Question

1994 Nissan Pickup - automatic transmission
Gears change fine until glitch decides to kick in.
No pattern, seems to happen after roughly 15 min of city driving.
Once on freeway and up to speed, no problems changing gears.
When glitch occurs and won't change gears, turn ignition switch off & back on while still driving - gears change right away.
Various mechanics have no idea - please help.

Answer 1

Either the line pressure solonid valve is not working right or there is a speed sensor code stored in the ECM and TCM. This is something a nissan tech is going to have to duplicate to make the correct diagnosis and repair. You were looking at the New Titan truck any way to replace the 14 year old truck weren't you?